The major advantage of individual matching is that
a. one can be sure that the two groups of participants are equal on the matched extraneous variables.
b. it is very easy to match on numerous variables at the same time.
c. it does not require the experimenter to know each participant's status on important extraneous variables such as age or IQ
d. statistical comparison of group performance is made easier.
A
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Dr. Marcell conducted a memory experiment in which he investigated the role of mental imagery on recall
The participants were told that their memory for words would be tested, but they were not informed about the imagery manipulation prior to participating. a. this is an ethically acceptable use of passive deception b. this is an ethically acceptable use of active deception c. this is an unethical experiment d. according to APA guidelines, no informed consent was actually necessary in this experiment
The boycott of Cuban products and exports is best described as an example of which of the following concepts?
a. Comparative advantage b. Economic sanction c. Economic liberalism d. Economic nationalism