A Psychologist Conducts Research Using the Twin-Study Method

question 7

Multiple Choice

A psychologist conducts research using the twin-study method. He administers a need for Achievement scale to sets of monozygotic and dizygotic twins and finds a correlation of .50 between the scores for pairs of monozygotic twins. If this study is to demonstrate evidence for a genetic influence on need for Achievement, what would we expect the correlation to be between scores for pairs of dizygotic twins?

• A) Higher than .50
• B) Lower than .50
• C) Very close to .50
• D) There is no way to demonstrate a genetic influence with these data.

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Definitions:

Formal Communication Network

The officially sanctioned channels for information and message flow within an organization.

Communication Path

The route through which a message travels from sender to receiver, which can be direct or indirect.

Leadership

The ability to guide, influence, or direct a group towards achieving a common goal.

Emotional Intelligence

The capacity to be aware of, control, and express one's emotions, and to handle interpersonal relationships judiciously and empathetically.