Research suggests that, with age, regular exercise contributes to which outcome?
A. less loss of muscle fiber
B. increased bone fractures
C. worse performance on mental tests and increase in brain tissue
D. cognitive loss
Answer: A
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Punishment reduces the chance that a behavior will be repeated
Indicate whether the statement is true or false
Humans localize low frequencies by ____ differences and high frequencies by ____ differences.
A. timing; phase B. loudness; phase C. phase; timing D. phase; loudness
Whereas ________ variables affect one group more than another, ________ variables affect all
groups in an experiment. A) nuisance; extraneous B) extraneous; nuisance C) extraneous; dependent D) independent; dependent
The children in Nadine's class are asked to identify the classmates they like most or like least. Nadine receives the highest number of votes, many positive and many negative. Based on this assessment of social preferences, Nadine is a ________ child.
A. popular B. rejected C. controversial D. neglected