Recall That Research by Sheldon Had Initially Suggested Extremely Strong

Recall that research by Sheldon had initially suggested extremely strong links between body type and personality characteristics,but that later researchers found that the relations were actually very weak.Why were Sheldon's findings inaccurate?

A) His ratings of a given person's body type apparently influenced his ratings of that individual's personality characteristics.
B) His results were essentially a random "fluke",based on an extremely small sample of participants.
C) His research participants were selected from some special occupational groups in which certain body types and personality traits tend to go together.
D) His research participants were such extreme examples of each body type that the results do not apply to people in the normal range.
E) His participants' body types and personalities had been jointly affected by the administration of certain drugs that were taken for medical reasons.