Abstract:

Purpose of this study is to examine the reliability and validity of the Turkish adaptation of Mathematical Belief Instrument MBI that was developed by Peterson Fennema Carpenter and Loef 1989 This instrument was adapted to Turkish in order to determine elementary preservice teachers’ mathematical beliefs Data gathered from 301 elementary preservice teachers were used for Exploratory Factor Analysis EFA and Confirmatory Factor Analysis CFA to determine the structure of factor loading The number of the factors in original instrument did not remain and the factor loading among sub scales were different The Cronbach alpha coefficient for the overall instrument was found as 0 82 The Cronbach alpha coefficients for the sub scales were calculated as 0 82 0 78 0 75 and 0 73 respectively For the test re test reliability Pearson correlation coefficient was calculated as r= 0 732 and p=0 001 The adapted instrument includes 34 items placed on a 5 point likert type scale The results of the EFA and CFA showed that the instrument is valid and reliable to use in Turkish culture Key Words: Belief mathematical beliefs instrument elementary preservice teacher

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