The effect of a training program based on TIMSS to developing the levels of habits of mind and mathematical reasoning skills among pre-service mathematics teachers

This study aimed to investigate the effect of a training program based on trends in international mathematics and science (TIMSS) developing habits mind mathematical reasoning skills among pre-service math teachers Oman. The sample consisted 24 female divided into two equal groups: experimental control. data was collected by sued test questionnaire that measured level after appropriate validity reliability. results showed statistically significant differences between groups favor group scale. recommended need for use programs studies such as TIMSS, PISA, PIRLS, TAILS; this done prove their effectiveness levels subjecting them programs, courses, workshops with aim implement effectively.