Question

Question 312 pts

A health psychologist conducts a study investigating the effects of a drug intervention program on weekly cocaine use in people addicted to cocaine. In diagramming the quasi-experiment, the psychologist should use the symbol _____ to designate weekly cocaine use before the intervention is administered.

Group of answer choices

O₁

W₇

O₇

W₁

Answer 1

Right answer - O1

Explanation - Here the symbol O1 represents the measurement that was collected before giving the particular treatment that is the experimenter assessing. Here the psychologist should use this symbol to represent the measurement of cocaine before the treatment was administered.