M.A. Theses
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Item A changing sense of self in the context of coercive control(Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2015., 2014.) Ülkümen, Aylin Deniz.; Müderrisoğlu, Serra.The present study aimed to gain an insight into how women's sense of self change in the context of coercive control. Building on the previous literature of complex trauma, it pursued an understanding of how male violence is gradually structured in marriage, how women experience, react to, and cope up with such violence, and how their experiences and definitions of self are transformed throughout this processes. A qualitative methodology was used and in-depth interviews were conducted with nine women with histories of intimate partner violence, who had ended their relationships and were in therapy. The interviews were analyzed using grounded theory. It appeared that the participant women experienced marriage as a period of intense loneliness and enstrangement, with no space provided to exercise agency, and confronting repetitive rejections of their expectations of intimacy and closeness with their husbands. The partner, in overt or covert fashion, made the women feel incapable, useless, ignorant, as lacking of necessary resources, and unable to do things on their own, even unable to judge right from wrong on their own. Such a sense of self seemed to lead to both shame and guilt, in that feelings of shame was induced by perceiving self as defected, and feelings of guilt arose from perceiving self as leading the husband to inflict violence. The changes in the sense ofselfofthe women during marriage could be conceptualized as falling into one broad category of shame and doubt: doubt regarding one's own worth; doubt regarding one's strength, accomplishments and independence; and doubt regarding one's decency and competency. iiiItem A comparison of intercultural marriages versus intracultural marriages in terms of adaptability and marital satisfaction(Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in Social Sciences, 1985., 1985.) Lewicky, Susan.; Fişek, Güler Okman.The purpose of this study was to examine and compare the wife's level of adaptation and marital satisfaction of intercultural and intracultural marriages. The two main concepts under investigation were adaptation and marital satisfaction. There were a total of forty subjects whose ages ranged from thirty to sixty. The experimental group, wives of the intercultural marriages, consisted of twenty American females who were married to Turkish males and were residing in Turkey. The control group, or wives of the intracultural marriages, consisted of twenty Turkish females also married to Turkish males. Each group contained ten working and ten non-working women. Three measurement instruments were used in this study. An adaptation scale, developed for this study by the author, and Family Adaptability and Cohesion Evaluation Scale (Faces II) developed by Olson, Parter and Bell (1978), were used to measure the level of adaptability percieved by the wife. Semantic Differential Scale of Osgood (1967) and a second part of Faces II were used to measure the level of satisfaction also percieved by the wife. It was hypothesized that the level of adaptability percieved by the wife will bear a relationship to the degree of satisfaction she feels in her marriage, such that the better the level of adaptability the more satisfaction there will be in the marriage. It was also hypothesized that when the two types of marriages are compared, the American wives will show a lower level of adaptation and marital satisfaction when compared to the Turkish wives. The results indicate that there were no difference in the level of adaptability and satisfaction between intercultural and intracultural marriages. However the results showed that the higher the level of adaptation the higher the level of satisfaction. Thus the hypotheses were partially supported. The findings also showed a slight trend that the American females evaluated their marriages as more potent and the Turkish females showed a trend toward evaluating their marriages as more active. No difference was found between working and non-working females.Item A comparison of two group treatment methods of adolescent shyness(Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in Social Sciences, 1983., 1983.) Somer, Zeynep.; Fişek, Güler Okman.The purpose of this study was to test the effectiveness of different group treatment procedures in reducing adolescent shyness. Subjects, ages between 15-16, were randomly assigned to one of the four groups, Cognitive Behavior Modification, Social Skills Training, Attention Control and Control. Treatment procedures in the three groups lasted for seven sessions, one forty minutes session per week. The distributiot by sex was equal in each group. In the Cognitive Behavior Modification procedure, half of each session was deVoted to the discussion of self-evaluations and worries of the subjects. The basic goal was to modify their maladaptive cognitions toward a more rational assessment of their situatinn. The remaining half of each session was devoted to a modified version of systematic desensitization. The Social Skills Training procedure consisted of training in basic skills of interpersonal behavior through the techniques of modeling, coaching, role-playing, homework and feedback.To investigate the effect of a group experience on the reduction of shyness, an Attention Control Group was formed and the topic of this group experience was irrelevant to the issue of shyness. It was hypothesized that, shyness, as indicated in the self-report measures used, and in the ratings of significant others (teachers and peers) would decrease as the result of treatment. A greater reduction was expected to be observed in the Social Skills Trainig Group compared to the Cognitive Behavior Modification Group. The results indicated that different treatment procedures did not create any significant decrease. Thus, the hypotheses were not supported. The nonsignificant findings were explained by the methodological limitations of the present study.Item A follow-up study of the effectiveness of the mother training program on mothers(Thesis (M.A.) - Bogazici University. Institute of Social Sciences, 1996., 1996.) Çörüş, Gül.; Sunar, Diane.The present study was an attempt to evaluate the effectiveness of the mother training program which was applied as a part of the Turkish Early Enrichment Project (TEEP) in 1982-1986 (Kağıtçıbaşı, Sunar, and Bekman, 1988). It aimed to determine whether the mother training program helped the mothers change their traditional point of view into a more modern perspective. In other words, the expectation was that the perceptions and attitudes of the more traditional lower SES groups would be changed by the program in the direction of the more modern, urban, welleducated middle SES group. Three groups of mothers made up the sample of the study: 1. low SES trained mothers (the experimental group) 2. low SES untrained mothers (the first control group) 3. middle SES untrained mothers (the second control group). These groups were compared on five basic subscales of the Follow-Up study Mother Interview Form: the life satisfaction scale, the woman's intra family status and decisionmaking power scale, the communication with the child scale, the family reinforcement of student role scale, and the mother's positive evaluation of her child scale. Only on the family reinforcement of student role scale was a significant difference found among the groups; differences on the other scales were not significant; Generally, the significant difference among the groups on the family reinforcement of student role scale could be explained by the consideration given to parent behavior related to child's cognitive development during the program and the insignificant differences among the groups could be explained by the mothers' own traditional upbringing and persisting environmental circumstances. As-given circumstances endure, their effects become more and more difficult to change. Unless the negative influences of living in disadvantaged areas are counteracted in long-term and the nonformal parent education programs are supported by informal activities (e.g. TV/radio programs, mass-media instruments), they will not be as effective as expected.Item A measure of conflict inhibition in toddlers: the animal-vehicle task(Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in Social Sciences, 2015., 2015.) Özdemir, Cihan Züleyha Aydın; Alp, İ. Ercan.Despite the recent increase in the number of age-appropriate cognitive tasks for very young children, their paucity is still obvious. Inhibitory abilities emerge very early in life but the research generally focuses on the preschool years because of the deficiency of tasks that are appropriate for toddlers. The present study was motivated by the fewness of age appropriate conflict inhibition (CI) tasks. Although its validity was not fully supported, the Animal-Vehicle Task (AVT) was presented as a CI task for toddlers in an earlier study. This study was an attempt to replicate and extend the earlier investigation of the AVT by considering the limitations of that study. In the present study, multiple criteria were used to evaluate the validity of the AVT as a CI task. Its relation to CI, working memory (WM) and simple delay (SD) was investigated. The AVT involves training toddlers to ‘hop’ animals and ‘push back-and-forth’ vehicles in the first part of the task (the single part). In the second part (the mixed part), eight further exemplars from each category are presented, this time in a mixed-order (random presentation) fashion and their reaction times (RTs) and errors for each trial were measured. The AVT was expected to be negatively correlated with CI and WM while none or moderate relation between the AVT and SD was anticipated. Forty-eight toddlers aged between 22 to 36 months were included in the study. The results showed that (1) the main finding of the previous study, the CI relation to the AVT could not be replicated, (2) as expected, performance of children who have a higher working memory capacity is affected less by mixing the two category exemplars, and (3) SD was not correlated with the AVT performance. The results also confirmed finding of the previous study that there are switch and mixing cost regarding the errors in the AVT. In conclusion, the AVT seems to be viable cognitive tasks that can be employed with toddlers but its validity needs further investigation.Item A preliminary study of physical attractiveness stereotyping in Turkish university students(Thesis (M.A.) - Bogazici University. Institute of Social Sciences, 1996., 1996.) Karabatı, Serdar.; Sunar, Diane.In this study, a 2x3x2 independent samples design was used to investigate attractiveness stereotyping. Twelve different young female images were created by audiovisual combinations of two facial attractiveness levels (more attractive or less attractive), three different body features (average, underweight, or overweight), and two different vocal attractiveness levels (more attractive or less attractive). Full size photographs of two female models were manipulated by a computer program (Adobe Photoshop) to depict different body sizes and these applications were presented simultaneously with a recorded speech. Each of these combinations were presented to a separate group of respondents (56 females and 54 males; mean age 20.2, sd=1.82; undergraduates enrolled in various departments at BoQazi~i University) who were requested to judge the stimulus person on attractiveness and various personality traits. Multivariate analyses revealed a highly significant two-way interaction between body feature and sex of rater, and a highly significant main effect of vocal attractiveness. Whereas males did not show differences in their perceptions of different body features, females placed more negative ratings for overweight body feature on various attractiveness and personality judgments compared to underweight body feature and males. On the overall, the more attractive voice received more positive judgments compared to the less attractive voice. The outcomes were discussed in light of possible perceptual and sociocultural processes.Item A program for the treatment of nocturnal enuresis(Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in Social Sciences, 1982., 1982.) Konakçı, H. Sühendan.; Cansever, Gökçe.Enuresis is a well-known problem of childhood. Although it has a long history of incidena, a method which leads to permanent cure has not been found yet. The present study attempts to investigate the effectiveness of a treatment program developed for nocturnal enuretic children. The notable feature of the program is that it involves both psychodynamic a behavioristic principles. Eighteen children mo were between the ages of 4 and 12 were used in the study. There were 8 males and 8 females . The treatrrent was given to one group of children while it was withheld from a control group. It was hypothesized that there will be a significant decrease in the number of bedwettings in the treatrrent group, compared to the control group. The results obtained from the treatment group were compared with the spontaneous recovery rate of the ccntrol group. The treatment group shaved a significant decrease. Since, six months later, relapse was observed in a number of subjects, some factors should be given more consideration in the application of the proposed program.Item A qualitative investigation of maternal representations in pregnancy and early motherhood(Thesis (M.A.)-Bogazici University. Institute for Graduate Studies in Social Sciences, 2009., 2009.) Buldur, Aliye Nevra.; Fişek, Güler Okman.The present study aimed to explore the maternal self and object representations and develop an understanding of the course of maternal identity formation. The sample of the study consisted of 10 primiparous mothers, equally divided on the sex of their infants whose ages ranged between 6 to 12 months. The data gathered through a semi structured interview with the participants, focused on their subjective experiences in representational and relational aspects from pregnancy onwards, and was interpreted through a narrative analysis approach, based on Stern’s “motherhood constellation” construct (1995). The results of the study evidenced the existence of a motherhood constellation for this sample of mothers in Turkey with its four common themes, with some specific cultural factors influencing representational and relational experiences of motherhood. The narratives revealed a gender based difference in mothers’ representations; mothers of daughters indicated more projection in their reflections for their infants than mothers of sons. Participants had difficulties in separating self-as-person from self-as-mother and self-as-mother from self-as-woman identities. It is evidenced that mothers reorganize their relationship with and representations of their own mothers, husbands, and fathers. Though the results did not signify a direct relationship between maternal representations and perceived maternal efficacy, gender based differences appeared in mothering cases.|Keywords: Maternal representations, motherhood constellation, relationships with family, perceived maternal efficacy.Item A Reevaluation of canonical categories in flashbulb memories(Thesis (M.A.)-Bogazici University. Institute for Graduate Studies in Social Sciences, 2007., 2007.) Kızılöz, Burcu Kaya.; Tekcan, Ali İ.The aim of the present study is to reevaluate the canonical categories in flashbulb memories defined by Brown and Kulik (1977). Also, the present study is aimed to examine the relationship between canonical categories and event type, consequentiality, event memory, and cue type. It was predicted that canonical categories will differ for personal and public events. Also, regardless of the event type, type of canonical categories remembered is expected to be related to the cue type. Furthermore, a relation between canonical categories and consequentiality and event memory is predicted. The data for the study was gathered from the participant who attended university entrance exam in 1998, 1999, and 2000. The cancellation of the university entrance exam in 1999, September, 11 events in 2001 and bombing of the HSBC Bank in 2003 were used as events for flashbulb memories. A questionnaire for flashbulb memory, a consequentiality questionnaire and an event memory questionnaire was used. The results revealed that there was difference between 1998, 1999 and 2000 groups in terms of word counts, number of canonical categories remembered and flashbulb memory scores for personal events. It was found that the number and types of the canonical categories were affected by the event type, consequentiality, and being affected by the event. No significant effects were found for cue type.Item A shea butter-based ketamine ointment :|the ameliorative effects of transdermal ketamine on behavioral despair(Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2021., 2021.) Akan, Merve.; Ünal, Güneş.; Canbeyli, Reşit.After a decade of monoaminergic antidepressants, repurposing ketamine in depression launched a new era with its rapid-onset nature and unique action mechanism based on glutamatergic neuroplasticity. Ketamine and its enantiomers were delivered by common enteral and parenteral routes with the disadvantages of first-pass effect, relatively low bioavailability, rapid plasma fluctuations, or inconvenience. The combination of ketamine and transdermal delivery is a worthy choice to overcome most of these disadvantages with steady plasma concentrations and bypassing the gastrointestinal tract. Transdermal ketamine has been used for pain therapy and recently gained attention for its use with different types of depression. In order to offer a user-friendly alternative for depression, the present study aimed to assess the behavioral results of 2-day ketamine ointment treatment in the rodent model of depression, behavioral despair. Naïve14 adult male Wistar rats were grouped as the ketamine and vehicle groups which received a shea butter-based 5% w/w ketamine ointment and drug-free vehicle, respectively for 2 days twice daily on shaved dorsal backs. The ketamine group showed significantly lower immobility scores in the Forced Swim Test (FST) compared to the vehicle group. The locomotor activity and anxiety levels were similar for both groups assessed through the Open Field Test (OFT) and Elevated Plus Maze (EPM). Our results demonstrated that 2- day ketamine ointment treatment produces an antidepressant effect without causing an increase in the general locomotor activity or a change in anxiety levels. Ketamine with its chemically ideal nature for transdermal delivery may offer a potent therapeutic response as an alternative for traditional antidepressants.Item A study for the Wisconsin card sorting test with 6- to 7- year-old Turkish children(Thesis (M.A.)-Bogazici University. Institute for Graduate Studies in Social Sciences, 2009., 2009.) Yeniad, Nihal.; Yeniçeri, L. Nur.The present study focused on exploring the relationships of the WCST with certain working memory (WM) and fluid intelligence (FI) tasks. Specifically, the study aimed a) to examine the relationship between executive functioning (EF) and WM, b) to explore the relationship between WM and FI, c) to probe the relationship between verbal and nonverbal WM capacities, d) to investigate the effects of certain family (mothers’ education and number of siblings) and child (age and gender) characteristics on EF performance. Eighty-nine 6- to 7-year-old Turkish children participated in the study. The WCST was applied to assess EF. Verbal and visuospatial WM capacities were measured by Digit Span Backward (DSB) and Finger Windows (FW), respectively. The nonverbal battery of Cognitive Abilities Test (CogAT®-NB) was used to evaluate FI. Certain scores of the WCST were found to be significantly correlated with verbal and visuospatial WM scores indicating that WM is required for some executive functions operated by the WCST. Further, WM tasks showed moderate correlations with the CogAT®-NB score, which appears to be consistent with the argument that WM and FI are related but distinct constructs. Finally, mothers’ education was a significant predictor for children’s EF, WM and FI performances.|Keywords: executive functions, working memory, fluid intelligence, Wisconsin Card Sorting Test, CogAT®Item A Turkish adaptation of the revised post-event processing questionnaire(Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2019., 2019.) Baycan, Can.; Müderrisoğlu, Serra.Post-Event Processing (PEP) is described as repetitive and intrusive thinking on recent anxiety-provoking social interaction or performance situation. Models of social anxiety (e.g. Heimberg, Brozovich, & Rapee, 2014) suggest PEP is an important mechanism in maintenance and vulnerability for social anxiety. Post-Event Processing Questionnaire- Revised (PEPQ-R) was developed by McEvoy and Kingsep (2006) in order to assess this mechanism in individuals. Perfectionism as a transdiagnostic factor have been extensively studied concerning other psychological problems, such as depression and anxiety. Moreover, mediating role of different cognitive processes on the relationship between perfectionism and psychological distress have been examined. This study aims to adapt the PEPQ-R to Turkish and explore mediating role of PEPQ as a cognitive process on the relationship between perfectionism and other disorders. Data collected from 525 university students in Turkey through online survey tool. PEPQ-R with a battery of anxiety, depression, perfectionism and repetitive thinking measures were used in order to assess validity of PEPQ-R. Mediation analyses were conducted if PEPQ mediates the relationship between perfectionism and aspects of social anxiety and depression. Confirmatory factor analysis showed that the adaptation had adequate fit on the model, other analyses supported that PEPQ-R correlated with other measures in line with previous studies. These suggest adapted scale is a reliable and valid tool in assessment of PEP in Turkish individuals. Mediation analyses yield negligible results. Outcome of the analyses were discussed as limitations and future directions.Item A validation study for the Childhood Executive Functioning Inventory : Behavioral correlates of executive functioning(Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2010., 2010.) Kayhan, Ezgi.; Yeniçeri, L. Nur.The primary aim of this study was to conduct a validation study for the Childhood Executive Functioning Inventory (CHEXI; Thorell & Nyberg, 2008), a behavioral measure of executive functions. Moreover, it was aimed to determine the associations between the Wisconsin Card Sorting Test (WCST) and the CHEXI in order to provide information regarding the behavioral correlates of the WCST. Additionally, it was intended to provide a global knowledge with regard to the developmental status of basic cognitive abilities; such as working memory, fluid intelligence and executive functions, in early school-aged children. Accordingly, 134 first and second grade children were evaluated by their parents via the CHEXI, and 129 of these participants were rated by their class teachers as well, via using the same instrument. Additionally, the participants were assessed by performance-based instruments of executive functions, working memory and fluid intelligence abilities. Results indicated that the CHEXI seems to provide valid and reliable data regarding the daily-life executive functionality of early school-aged children. Furthermore, results demonstrated that the WCST poorly correlates with the daily-life executive functioning, as measured by the CHEXI. Additionally, significant intercorrelations were obtained between executive functions and other basic cognitive skills such as working memory and fluid intelligence.Item A validity study of the modified checklist for autism in toddlers (M-CHAT) on a Turkish sample(Thesis (M.A.)-Bogazici University. Graduate Institute of Social Sciences, 2005., 2005.) Yıkgeç, Aslı.; Yeniçeri, L. Nur.The main purpose of the present study was to establish the validity of the Modified Checklist for Autism in Toddlers (M-CHAT). Eighty children representing four different groups, namely; normal development, Down syndrome, children with suspicion of autism, and children with a diagnosis of autism, were evaluated by the M-CHAT, the CHAT, the DSM-IV Autistic Disorder Criteria and the AGTE. One major finding of the study was that the M-CHAT discriminated children with autistic signs from those with no autistic signs. It successfully detected children with suspicion of autism and those with a diagnosis of autism. However, it's rate of misclassifying nonautistic children as autistic was found to be quite high. One of the two criteria of the M-CHAT (any three of the 23 items) increased the rate of these misclassifications. The other criterion (six critical items) was a better discriminator between the autistic and nonautistic children. In addition to these six critical items, item 6 (imperative pointing) was found to increase the sensitivity of the M-CHAT. In light of these findings, recommendations were made for effective screening of young children.Item Accuracy of recognition of facial expressions in children(Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in Social Sciences, 1984., 1984.) Kürklü, İris.; LeCompte, W. Ayhan (William Ayhan).Item Adolescents' school-related self-assessment, values, and aspirations(Thesis (M.A.) - Bogazici University. Institute of Social Sciences, 1992., 1992.) Aycan Kaşıkcı, Zeynep.; Kağıtçıbaşı, Çiğdem,Item An analysis of the several aspects of job satisfaction between different occupational groups(Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in Social Science, 1985., 1985.) Baycan, F. Aslı.; Fişek, M. Hamit,This study was designed to investigate job satisfaction of employees from different occupational levels with respect to different aspects of the job and the job environment. Questionnaire data were collected in 4 organizations from a sample of 120 individuals who were managers (n:40), office clerks (n:40), and janitors (n:40). The following hypotheses were tested: 1) The higher the level of the job, the greater the general satisfaction of the individual. 2) The higher the level of the job, the greater the intrinsic satisfaction of the individual over and above the difference observed in general satisfaction scores. 3) Individuals will express less satisfaction related to extrinsic factors than intrinsic factors. 4) Individuals who make job choices on intrinsic factors will express more general satisfaction than those who make the decision based on extrinsic factors. 5) Individuals who want to leave their jobs will express lower levels of job satisfaction than individuals who do not want to leave their jobs. The hypotheses are confirmed and findings are discussed in terms of Herzberg's two-factor theory, Maslow's need hierarchy theory, Deci's cognitive evaluation theory and Darley and Hagenah's occupational level theory.Item An evaluation of determinants of interpersonal trust in task groups(Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in Social Sciences, 1984., 1984.) Mindek, Neşe.; Fişek, Güler Okman.In the present study the effect of the variables openness and realization on the level of trust, in short term task grou,ps was investigated. The theory which the study was based upon was the TORI theory which was developed by Jack and Lorraine Gibb. Although in the TORI theory, as the name indicates, trust, openness, realization and interdependence were taken as the major aspects of the trust level in groups, in the present study, only two of these variables, namely openness and realization were taken as the independent variables and their relation with the level of trust was investigated. It was hypothesized that in the groups where openness is present, the trust level will be higher than the groups where closed communication takes place. And the second hypothesis stated that; in the groups where realization is present, the trust level will be higher than the groups where it is absent. Openness was defined as free flow of communication, ideas, feelings and perceptions among the group members, and realization was defined as members of the group being role free. To test for these hypotheses four conditions were set forward, which were open and role free, open and role bound, closed and role free, and closed and role boundJand for each of these conditions three discussion groups each made up of five people were included in the experiment. Thus total number of 60 subjects (11=28, F=32) participated in the experiment. The analysis of the findings supported the first hypothesis in the direction that the trust level of the groups where open communication took place was significantly higher than that of the closed groups. However for the second hypothesis no significant difference could be obtained among the role free nad role bound groups. This nonsignificance could be explained by the insufficiencies in the parts of the sample and the experimental manipulation.Item An exploration of the predictors of prejudice among university students with and without headcover(Thesis (M.A.)-Bogazici University. Institute for Graduate Studies in Social Sciences, 2009., 2009.) Kunduz, Ceylan Özge.; Ataca, Bilge.The present study examined the predictors of prejudice between students with and without headcover based on the assumptions of the Integrated Threat Theory (ITT; Stephan & Stephan, 1993). A total of 133 female students with and without headcover at two Turkish universities participated in the study. The results of the study supported all of the predictions based on the assumptions of the ITT, except for the relationship between negative contact and prejudice. Those who perceived higher realistic and symbolic threats, had higher intergroup anxiety, stereotyped the outgroup more negatively, had higher in-group identification, perceived more status differences, and perceived more intergroup conflict were more prejudiced towards the out-group. Those who were in higher intergroup contact and were closer with members of the outgroup were less prejudiced. The study failed to find a significant relationship between negative contact and prejudice.Item An exploratory study on the link between sibling relationships and friendship quality(Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in Social Sciences, 2022., 2022.) Alıcı, Asya.; Sohtorik, Yasemin.Sibling and friend relationships of emerging adults have been rarely studied compared to parent-child relationships. This study is primarily designed to explore the link between sibling relationship qualities and best-friendship qualities of emerging adults in Turkey, by investigating the moderator role of birth order and gender on this link. It is aimed to test which one of the carryover, compensation, and segmentation models will be supported by the current data. 213 college students between 18-25 years of age filled out an online surveys. Regression analysis showed that sibling relationship quality in adulthood was a predictor friendship quality. In addition to the higher quality of sibling relationships, being a woman, more frequent contact with the best friend, and residing in the same city with the sibling positively predicted friendship quality. Childhood sibling relationship quality was positively associated with friendship quality, although it was not a significant predictor in presence of adulthood sibling relationships. A relationship between birth order and friendship quality could not be found. Results showed evidence for the carryover model. The findings of the study were discussed within the framework of carryover model as well as considering the cultural context and emerging adulthood period of development.