%0 Journal Article %T Examination of Peer Assessment Preservice Teachers' Contribution to Professional Knowledge and Skills %A Vural T¨¹NKLER %J - %D 2019 %X The aim of this study is to examine the contribution of the peer assessment on preservice social studies teachers¡¯ professional knowledge and skills. In addition, were investigated the opinions of preservice teachers on peer assessment. The research was conducted with convergent parallel design from mixed method approaches. The study group of the research is composed of 35 preservice teachers who are studying in Social Studies Education Department of a state university. Quantitative data were obtained by using the Peer Assessment Scale for Activities of Teaching Practice Course developed by the Bekta£¿, Horzum and Ayvaz (2010) while qualitative data were obtained by the reflective diaries which were prepared by the participants. Quantitative data were analyzed using one-way variance analysis (ANOVA), Kruskal Wallis test, Mann Whitney U test and Kendall¡¯s concordance coefficient was computed. Descriptive analysis technique was applied to qualitative data. At the end of the research, it was determined that peer assessment contributed to the professional knowledge and skills of preservice teachers such as communicating and evaluating, feedback, preparing the lesson and associating the course. Moreover, it was found that peer assessment was useful for seeing their inadequate and incorrect aspects and to think critically. The opinions of preservice teachers on peer assessment were found to be highly positive, and were also reached negative opinions about the subject that assessment was not objective. Additionally, the study show that there was a statistically significant, low and medium degree of agreement between the scores of the assessors on the presentations of the groups. Findings are discussed within the context of literature %K Akran de£¿erlendirme %K akran geribildirimi %K sosyal bilgiler %K £¿£¿retmen adaylar£¿ %U http://dergipark.org.tr/maruaebd/issue/47623/525171