For each statement below please advise what is the dependent and independent variables, the population, research question and hypothesis.

The effects of aerobics on depression of individuals in a beginning aerobics class.

• Dependent variable:

• Independent Variable:

• Population:

• Research Question:

• Hypothesis:

The relationship between scores on the graduate record exam and achievement in graduate school.

• Dependent variable:

• Independent Variable:

• Population:

• Research Question:

• Hypothesis:

The effects of anti-depressant medication on depression.

• Dependent variable:

• Independent Variable:

• Population:

• Research Question:

• Hypothesis:

If group guidance techniques affects the self-esteem of children whose parents have recently divorced.

• Dependent variable:

• Independent Variable:

• Population:

• Research Question:

• Hypothesis:

The effectiveness of drug and alcohol intervention programs on substance abuse by adolescents.

• Dependent variable:

• Independent Variable:

• Population:

• Research Question:

• Hypothesis