If there is an important genetic influence on a given trait, then the correlation for ______________ should be significantly higher than the correlation for ______________

A) MZ twins; DZ twins
B) DZ twins; nontwin siblings
C) mother-child; father-child
D) nontwin siblings; MZ twins


A) MZ twins; DZ twins MZ twins share 100% of their genes, while DZ twins share 50%. For heritable traits, therefore, it is more likely that the trait will be correlated across MZ twins.

Psychology

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Suppose that some researchers conduct a study about cognitive abilities, and they find a relatively large gender difference. From this information, you would expect to find that

a. the overlap in the frequency distributions for males and females will be relatively small. b. the gender difference is likely to be biologically based (e.g., caused by hormonal differences). c. the same results are likely to be obtained if the study is conducted in a different social setting. d. the same results are likely to be obtained if the study is conducted with participants who are either older or younger.

Psychology

Eye-blinking and sucking are examples of _____ reflexes

Fill in the blank(s) with correct word

Psychology

Imagine you are driving to a friend's new house. In your mind, you say the address repeatedly until you arrive. To remember the address, you used a(n)___________process in short-term memory.

A. control B. automatic C. coding D. iconic

Psychology

Multitasking disrupts the _____ of consciousness and contributes to the memory sin of _____.

A) unity; blocking B) unity; absentmindedness C) intentionality; blocking D) intentionality; absentmindedness

Psychology