You are ready to begin collecting data for an experiment. You planned to randomly assign
students from your university to one of two groups and then administer an IV to one of the
groups.
However, your research partner, without your knowledge, simply placed all students
from one class into the experimental group, and all students from another class into the control
group. Your advisor tells you it will now be hard to make cause-and-effect conclusions. Why?
A) The students should have provided informed consent first.
B) The students were not randomly assigned to the two groups.
C) Only one group received the IV.
D) The students were not asked which group they wanted to be in.
B
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One of the controversies involving the treatment of substance use disorders is whether
a. total abstinence from drinking or drug use is the only acceptable goal. b. people recovering from substance use disorders should be allowed to treat others. c. treatment should begin before the person has stopped drinking or drug use. d. it is appropriate to encourage people to seek help when they are not ready to admit to a problem.
Roughly _____% of the variability in personality among individuals is due to environmental factors.
A) 25 B) 40 C) 60 D) 75
The family resemblance theory of categorization:
A) is limited because it only applies to people and not objects. B) argues that necessary and sufficient statements be developed for categories to be meaningful. C) posits that each member of the category has at least one thing in common. D) argues that a category may exist, even if there is no single defining characteristic of the category.
Nathan works at a homeless shelter. The people who come into the shelter are usually tired and hungry after spending days at a time on the dangerous streets. Most of these people have lost touch with their friends and family members and receive little indication of being loved or needed. According to Maslow's hierarchy, Nathan should first
A. reassure them of the safety and security features of the building. B. try to boost their self-esteem by treating them as respected and honorable individuals. C. provide them with a hot meal and a warm place to sleep. D. express love for and acceptance of them.