What Is the Logic Behind a Twin Study

question 56

Multiple Choice

What is the logic behind a twin study?

• A) If monozygotic twins, who show 100% genetic similarity, have greater behavioral concordance on a given trait than dizygotic twins do, that trait is at least partially genetically determined.
• B) If dizygotic twins, who show 100% genetic similarity, have greater behavioral concordance on a given trait than monozygotic twins do, that trait is at least partially genetically determined.
• C) If monozygotic twins, who show 100% genetic similarity, have greater behavioral concordance on a given trait than dizygotic twins do there is a gene for the trait that these twins share.
• D) If dizygotic twins, who show 100% genetic similarity, have greater behavioral concordance on a given trait than monozygotic twins do there is a gene for the trait that these twins share.

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Definitions:

Mild Shock

A low-intensity electrical shock, often used in psychological experiments to safely simulate stress or discomfort without causing actual harm to participants.

Group Dynamics

The study of the behavioral and psychological processes affecting the behavior and development of groups.

Milgram Experiment

A series of social psychology experiments conducted by Stanley Milgram, measuring the willingness of study participants to obey an authority figure who instructed them to perform acts conflicting with their personal conscience.

Obedience

The act of following the directions, commands, or instructions from someone in authority.