A researcher measures the number of birds belonging to each of 5 different species sighted in a particular nature preserve over a three month period. What kind of research is this?
a. correlational
b. experimental
c. relational.
d. observational
D
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What is an example of a grammatical morpheme?
A. "Fish" B. "-ing" C. "Fishing" D. "Fisherman"
Ken is planning on studying the influence of intelligence on the ability to recall events from the 1960s. Ken neglects to account for variables such as age that could also influence one's ability to recall these events. In this example, age could be considered a(n) __________ variable.
A. random B. dependent C. extraneous D. independent
If Aada has issues with achieving orgasm, the most effective way to treat the issue would be __________.
A. viewing erotic movies B. masturbation C. sensate focus exercise D. group sex
Waxman and colleagues (2007) studied children 4 to 10 years old concerning biological categories. They found
a. children generally thought birth environment established biological properties (a baby cow taken care of by a pig would grow into a pig) b. children generally thought birth parent established biological properties (a baby born from a pig would grow into a pig) c. children believed more strongly and consistently that behaviors exhibited by offspring would more closely resemble biological than adoptive parents d. with age, children more strongly believed color defined species