Parent Ratings of Buss's and Plomin's Temperaments for Their Twins

question 38

Multiple Choice

Parent ratings of Buss's and Plomin's temperaments for their twins are:

• A) weakly correlated for both monozygotic and dizygotic twins.
• B) strongly correlated for both monozygotic and dizygotic twins.
• C) strongly correlated for monozygotic twins, but virtually uncorrelated for dizygotic twins.
• D) weakly correlated for monozygotic twins, but virtually uncorrelated for dizygotic twins.

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Definitions:

Demand Characteristics

Aspects of a study that give away its purpose or communicate how the participant is expected to behave.

Correlated

When two or more variables have a statistical relationship with each other, indicating that changes in one are associated with changes in the other.

Underlying Construct

Refers to the theoretical concept or psychological variable that is being measured or assessed, but is not directly observable.

Independent

Free from outside control; not depending on another's authority, or capable of thinking or acting for oneself.