Dr. X conducts a study to assess the effect of a new drug, Drug Y, on symptoms o

Question

Dr. X conducts a study to assess the effect of a new drug, Drug Y, on symptoms of schizophrenia. Patients were randomly assigned to one of two groups: The Drug Y group or the placebo group. After 3 weeks of taking either Drug Y or the placebo, all patients were asked to complete the Porter Scale of Schizophrenic Symptomatology. In this study:

What is the independent variable?

What is the dependent variable?

How is the dependent variable operationalized?

What type of research design is being used (experimental or quasiexperimental)?

Is this a between subjects or a within subjects design?

Explanation / Answer

What is the independent variable?

effect of a new drug,

What is the dependent variable?

symptoms of schizophrenia

How is the dependent variable operationalized?

assigned to one of two groups

What type of research design is being used (experimental or quasiexperimental)?

EXPERIMETAL

Is this a between subjects or a within subjects design?

WITHIN SUBJECTS

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