A researcher is interested in how individuals in a certain city feel about the chance of their becoming victims of a crime. To investigate this question, she randomly selects 12 city blocks and then randomly selects a certain number of people from each block. This method of sampling is known as
a. stratified random sampling
b. cluster sampling
c. purposive sampling
d. nonprobability sampling
b
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Research suggests that group decision-making is superior to individual decision-making when ____
a. group members discuss the pros and cons of each point of view b. group members engage in active, collaborative brainstorming c. group members work independently and contribute their separate ideas d. groups have a strong leader
What body mass index (BMI) level is considered starvation?
a. 20 b. 16 c. 13 d. 4
_____ refers to the purpose for or psychological cause of an action.
A) Emotion B) Motivation C) Expression D) Cognition
What do the methods used by cognitive psychologists have in common with those used by
behaviorists? a. They are objective. b. They are introspective. c. They focus on understanding brain structure. d. They emerged from research using animals. e. They emphasize unconscious processes.