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European Journal of Education Studies ISSN: 2501 - 1111 ISSN-L: 2501 - 1111 Available on-line at: www.oapub.org/edu Volume 3 │ Issue 11 │ 2017 doi: 10.5281/zenodo.1041845 EXAMINING VALIDITY OF SOURCES OF MATHEMATICS SELF-EFFICACY SCALE IN TURKEY Mehmet Ali Kandemir1i Rahile Akbaş-Perkmen2 Balikesir University, Faculty of Education, 1 Department of Science and Mathematics Education Altieylul, Balikesir, Turkey Plevne Secondary School, Altieylul, Balikesir, Turkey 2 Abstract: The main purpose of the current study is to examine the construct, convergent and discriminant validity of the Sources of Mathematics Self-Efficacy Scale (Usher & Pajares, in a Turkish sample. Bandura’s Social Cognitive Theory theoretical framework for the current study. According to Bandura 6 served as the 6 , people’s self- efficacy develops from 4 sources: (1) Mastery Experiences, (2) Vicarious Experience (3) Social Persuasion and (4) Physiological States. Research studies in this area revealed that mastery experiences and social persuasion are highly correlated. Even it is not clear that these two constructs are distinct constructs. Confirmatory factor analysis was utilized to examine the construct validity of the scale. In order to see if mastery experiences and social persuasion are two distinct constructs, discriminant validity was examined. The participants were 616 secondary school students in Turkey. 3-factor and 4-factor models were nearly identical in terms of goodness of fit of data in the confirmatory factor analysis. The analysis of discriminant validity revealed that mastery experiences and social persuasion are not two different constructs. Keywords: sources of mathematics self-efficacy, scale development, mathematics education Copyright © The Author(s). All Rights Reserved. © 2015 – 2017 Open Access Publishing Group 69 Mehmet Ali Kandemir, Rahile Akbaş-Perkmen EXAMINING VALIDITY OF SOURCES OF MATHEMATICS SELF-EFFICACY SCALE IN TURKEY 1. Introduction According to Social Cognitive Theory, human behavior can be best understood in a reciprocal relationship among personal factors, behavior and environment. Bandura (1986) claims that the most important personal factors affecting human behavior are self-efficacy and outcome expectations. Since people’s outcome expectations depend mostly on their self-efficacy beliefs, this theory puts more emphasis on self-efficacy than outcome expectations to explain and predict human behavior. Self-efficacy, by definition, is a belief regarding whether a person can accomplish a given task. This belief mobilizes people’s efforts towards a given task and helps sustain their efforts until the task is successfully finished (Bandura, 1995). If a person encounters a difficult situation, self-efficacy directs their behavior (Pajares, 2002). In addition to behavior, self-efficacy also influences people’s motivation, feelings and thoughts. For example, those who possess high self-efficacy tend to set high goals and have confidence in reaching them. If they fail in difficult tasks, they do not tend to attribute their failure to personal deficiencies. They challenge such tasks rather than avoiding doing them. On the other hand, those with low self-efficacy tend to set easily reachable goals. Since they feel that they have lack of personal qualifications, they become stressed easily (Bandura, 1995). In addition to influencing people’s daily lives in several ways, self-efficacy was found to affect mathematics–related behavior (Hackett & Betz, 1989). The development of mathematics self-efficacy is thought to be important in from grades 5 to 8 primary schools. Students in these grades should have high levels of self-efficacy so that they successfully understand complex topics of mathematics in higher grades and become successful in mathematics classes. Self-efficacy also plays a role in career choice. Those who possess high levels of mathematics self-efficacy tend to choose mathematicsrelated career (Bandura, Bararanelli, Caprara & Pastorelli, 1996). For viewing / downloading the full article, please access the following link: https://oapub.org/edu/index.php/ejes/article/view/1158 European Journal of Education Studies - Volume 3 │ Issue 11 │ 2017 70