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Identical Twins Have IQ Correlations Around 0

question 113

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Identical twins have IQ correlations around 0.7,whereas fraternal twins have IQ correlations of about 0.3.What do these correlations suggest?


Definitions:

Learned Helplessness

A condition in which a person suffers from a sense of powerlessness, arising from a traumatic event or persistent failure to succeed.

Psychological Symptoms

Manifestations of mental or emotional distress, which can include mood swings, anxiety, depression, or abnormal behavior.

Depression

A mental health disorder featured by persistently low mood, a sense of despair, and a lack of interest or pleasure in life, affecting daily functioning.

Stimulus Motive

An innate tendency to respond to stimuli in the environment in a certain manner, driven by needs for exploration, manipulation, and activity.

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