TY - JOUR T1 - Investigating the Effect of Lesson Study Method in Science Lesson on Creativity of Secondary School Students AU - Azizi Nejad, Bahareh AU - Saeidi Mahmood Abadi, Fatemeh JO - International Business Management VL - 11 IS - 3 SP - 628 EP - 634 PY - 2017 DA - 2001/08/19 SN - 1993-5250 DO - ibm.2017.628.634 UR - https://makhillpublications.co/view-article.php?doi=ibm.2017.628.634 KW - Lesson study KW -creativity KW -secondary school KW -Urmia city KW -science lesson AB - This study was conducted with the total aim of investigating the effect of lesson study in science lesson on creativity of female students in the first grade of secondary school. The study method was quasi-experimental and objectively was applied. The population were the entire female students in the first grade of secondary school (female public school of Shohadaye Khabir, region 2 Urmia) in number of 90 people that among the ma sample with the size of 58 people were selected as available sampling method and assigned in two groups of experimental and control (each group 29 people). In this study, the questionnaire instrument of Torrance creativity measurement was used with confirmed content validity and reliability coefficient of 0.87 for data collection, collected data were analyzed using the descriptive statistics (indices of central tendency and dispersion) and inferential statistics (t-test two independent groups, Kolmogorof-Smirnof and analysis of covariance). The research results showed that there is a significant difference in the error level of 5% among the student’s creativity scores of experimental and control groups for all four variables (fluency, flexibility, development and innovation) and the difference is in favor of the trained students in the lesson study method. ER -