A significant difference between groups or conditions allows researchers to conclude that an effect exists in the population because they are able to reject the ______ in a significant test.
a. alternative hypothesis
b. statistical hypothesis
c. null hypothesis
d. critical region
Ans: C
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At the beginning of a token economy a (an) ____________ reinforcement schedule is often used, and when the desirable behavior begins to occur more frequently a(an) ____________ schedule of reinforcement is used to maintain the behavior
a. intermittent; continuous b. continuous; intermittent c. continuous; intermittent d. variable interval; fixed interval
How many emerging adults in the United States, Canada, northern Europe, England, and Australia cohabit during emerging adulthood?
almost all about half nearly one-third about 17 percent
What basic research technique can be used to avoid biased samples?
a. Blind assignment to groups b. Double-blind assignment to groups c. Two-way ignorant assignment to groups d. Random assignment to groups
According to Shaver, __________ easily form close relationships with others and let others become close to them
A) ambivalent lovers B) jovial lovers C) permissive lovers D) secure lovers E) laissez-faire lovers