We Can Predict Participants' Scores on Variable a with Perfect

question 107

Multiple Choice

We can predict participants' scores on Variable A with perfect accuracy by knowing their scores on Variable B. Higher scores on Variable A are associated with higher scores on Variable B. What is the correlation coefficient for the correlation between Variables A and B?

• A) -1.00
• B) +0.50
• C) 0.00
• D) +1.00

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Definitions:

Identical Twins

Siblings who develop from the same fertilized egg, resulting in genetically identical individuals.

Fraternal Twins

are twins that develop from two different eggs fertilized by two different sperm, making them genetically similar as ordinary siblings.

Temperament

A person’s characteristic emotional reactivity and intensity.

Heritable Personality Traits

Personality characteristics that are influenced by genetic factors and can be passed from parents to offspring.