Psych. 101 Designing an Experiment 1. If twelve year old girls, who normally eat sugary foods, where introduced to thirty minutes of exercise each day, then I think that over a six month period of time they would not only benefit physically, but would also benefit psychologically from increased self-esteem. 2. I am studying the effects what just thirty minutes of exercise a day would do for the self-esteem and physical attributes of twelve year old girls, possibly keeping them from becoming obese in their teens.
I would go to the local middle school, with parents permission, and select my experimental group by asking girls selective questions regarding their eating habits of sugary foods. 3. Experimental Group – the subjects who receive the treatment. I will populate this group by introducing them to thirty minutes of exercise each day for the next six months. 4. Control Group – subjects who undergo all the same procedures as the experimental subjects do, except that the control subjects do not receive the treatment.
5. Variables – any factor or item that can change. a. ) independent – a treatment or something else that the researcher controls or manipulates; the dependent variable Sample One Variables">independent variable in my experiment would be the thirty minutes of exercise a day. b.
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) dependent variable – one or more of the subjects behaviors that are used to measure the potential effects of the treatment or independent variable; the dependent variable in my experiment would be the raise in self-esteem and confidence in themselves. 6. I would measure how the independent variable (treatment) effects those behaviors that have been selected as the dependent variables. 7.
Analyze all the data and if my hypothesis is correct I need to have it replicated by other researchers, psychologists, etc. 8. No, because I would get parental consent before questioning the subjects or proceeding with the experiment.
