Professor Montando is carrying out a memory experiment where he assigns undergraduate research participants to one of four different study conditions:
one condition where they receive 1 minute to study a word list, one with 2 minutes of study time, one with 4 minutes, and one with 10 minutes. He writes these conditions on four separate slips of paper, puts them in a hat and, as subjects arrive for the study, he picks out a slip of paper and assigns each subject to one of the four conditions until all four slips of paper have been selected. At this point, he puts all four slips back into the hat and repeats this procedure until all subjects have been assigned. This procedure is referred to as
a. block random assignment.
b. random selection.
c. simple random assignment.
d. stratified random assignment.
a
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About __________ percent of those with PTSD will experience psychotic symptoms, such as a loss of contact with reality.
A. 11 B. 17 C. 23 D. 29
Participants in one study were either frustrated or not frustrated. They then were given what they thought was an opportunity to administer electric shocks to another person. Sometimes this other person was the one who had frustrated them, and sometimes it was a stranger. The researchers found that
A. frustration increased aggression, but only against the person who frustrated the participants. B. frustration increased aggression against both the person who had frustrated the participants and the stranger. C. frustration led to an increase in aggression against the person who had frustrated the participants, but a decrease in aggression against the stranger. D. frustration did not affect aggression levels in this experiment.
Discuss the physical, social, and cultural factors that make the typical adolescent boy or girl feel dissatisfied with his or her appearance
What will be an ideal response?
___________________ are the 22 pairs of chromosomes which are not involved in sex
determination. a. Gametes b. Autosomes c. Zygotes d. Gonads