What kind of measurement scale is necessary to conclude that one score is twice as big as another?
a. Ordinal c. Ratio
b. Interval d. Interval or ratio
C
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Valerie has an older sister, Bella. In terms of Valerie's conversation skills, we can expect that Bella will __________.
A. play a role in developing Valerie's conversational skills B. seem to make it more difficult for Valerie to communicate with adults C. be less effective than a younger sibling would be in developing Valerie's conversational skills D. not really affect Valerie's conversational skills
Morgan Doran and his colleagues found that after taste aversion training, ___________ would remove weeds from a vineyard without damaging the grape plants
a. goats b. sheep c. llamas d. cows
Older infants and toddlers are more likely to imitate __________ rather than __________
A) adults; children B) arbitrary; purposeful behaviors on objects C) purposeful; accidental behaviors on objects D) a series of actions; a single sensorimotor behavior
Which research study would you most expect to see from a researcher with a life-course perspective?
A. the effect of smoking on neurotransmitter systems and memory B. how memory processes change from infancy to old age C. growing up in the 1960s and its influence on political activism in middle adulthood D. sex differences in marital satisfaction