Psychology

Chelsea Delos Santos Homework 1 (20 pts.) Part I (6 pts.) Experiments: Identifying Variables and Groups In each of the examples, identify the independent variable and dependent variable as well as which participants make up the experimental group and which make up the control group. Remember: Independent Variable = What the investigator manipulates; the particular treatment or condition the investigator is most interested in the effects of Dependent Variable = What is measured or observed; the "data" collected in the experiment Experimental Group = Those participants exposed to the independent variable Control Group = Those participants treated just like the experimental group EXCEPT they are not exposed to the independent variable; the group with which the experimental group can be compared

1) Of 100 individuals with moderate depression, 50 receive 8 weeks of a new cognitive-behavioral therapy, while the other 50 are placed on a waiting list for 8 weeks. At the end of the 8 weeks all 100 are given psychological tests to assess their level of depression. Independent Variable? (explain): The independent variable is the cognitive-behavioral therapy given to 50 of the individuals. This is the independent variable because this is what the investigator is manipulating and most interested in analyzing the effects from it. Dependent Variable? (explain): The dependent variable is the measureable affects of the people that have taken the cognitive-behavioral therapy. This will be their level of depression after have received the therapy Experimental Group? (explain): The experimental group is the 50 individuals that are receiving the therapy for their depression. This group is the where