Methodology: One hundred obese adolescents with body mass index (BMI) above the 95th percentile of NCHS distribution, aged 14-19 years old were chosen in the community. They were randomly assigned to four groups of 25people: hypocaloric diet associated with aerobic activities (AE); with ...
no advance notice was given to the students that the same test would be used again. Additionally, the order of the MCQ items in each section of the test was changed each time. The test scores were analysed using