A health psychologist wants to test a behavioural intervention for helping adult smokers quit smoking. He decides to test his intervention on 9-year-olds who have never smoked real cigarettes and are instead addicted to sweet cigarettes. Even if the intervention is shown to be effective in helping 9-year-olds kick their sweet cigarette habit, this study might still be criticised for lacking ______.
A) scrutiny
B) internal validity
C) external/ecological validity
D) demand characteristics

Question

Quizplus · Accepted Answer

The study may lack external/ecological validity, as the results cannot necessarily be generalised to adult smokers who have developed a real addiction to nicotine.

A Health Psychologist Wants to Test a Behavioural Intervention for Helping