George conducted an experiment to find relation between consuming alcohol and sleep disturbance and body mass index. 300 college students in London completed the survey in thier first yr .the survey had questions related to sleep patterns,height,weight , physical activity, location Find the study design,strength,limitation
George conducted an experiment to find relation between consuming alcohol and sleep disturbance and body mass index. 300 college students in London completed the survey in thier first yr .the survey had questions related to sleep patterns,height,weight , physical activity, location
Find the study design,strength,limitation
2 students in a local school were sent to another the old math class or the new math program to check the credibityl of the new math program.their BMI and endurance were measured and after 4 months since random allocation was not possible ,the teachers gave the morning math classes the new math program and the afternoon math classes completed the old math program
Find the study design,strength,limitation
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