Question

Which of the following case studies are experimental studies?

Select the two correct answers.

(1 point)
Responses

In the Clark Doll Study, children were shown dolls of different races and asked to choose which they preferred, to investigate racial perceptions.
In the Clark Doll Study, children were shown dolls of different races and asked to choose which they preferred, to investigate racial perceptions.

In the Great Smoky Mountains Study, researchers investigated psychiatric disorders in children by conducting yearly interviews and assessments without intervention.
In the Great Smoky Mountains Study, researchers investigated psychiatric disorders in children by conducting yearly interviews and assessments without intervention.

In the Robbers Cave Study, boys at a summer camp were divided into groups to study conflict and cooperation through structured activities and competitions.
In the Robbers Cave Study, boys at a summer camp were divided into groups to study conflict and cooperation through structured activities and competitions.

In the Framingham Heart Study, researchers monitored the health of residents over several decades through regular physical exams and medical histories without intervening.

Answer 1

Correct answers:
- The Clark Doll Study — researchers presented children with dolls of different races (manipulated the stimulus) to measure their choices/preferences.
- The Robbers Cave Study — boys were deliberately divided into groups and placed in competitive/cooperative conditions (a field experiment).

The Great Smoky Mountains Study and the Framingham Heart Study are observational longitudinal/cohort studies (no experimental manipulation).