Chapter 5 Quiz
1) Which of the following statements is the best example of a hypothesis?
A) "All men are created equal."
B) "A penny saved is a penny earned."
C) "Unemployed men are more likely to commit spousal abuse than employed men."
D) "More than 300 million people live in the United States."
2) In the statement, "Poverty causes crime," the words "poverty" and "crime" are best described as ________ because they are subject to change.
A) unobtrusive measures
B) variables
C) parametric measures
D) correlations
3) In the research model, the step in which the researcher specifies what he or she wants to learn about a specific topic of study is called ________.
A) defining the problem
B) formulating the hypothesis
C) choosing the research model
D) analyzing the results
4) The choice of a research method is also referred to as the ________.
A) research option
B) research design
C) research process
D) random procedure
5) John has developed a questionnaire to measure job satisfaction among industrial workers. He has administered his questionnaire to ten work groups at the same plant and on the same shift, but notes that the results among the groups are inconsistent. John 's concern reflects the issue of ________.
A) the reliability of his measure
B) the representativeness of his sample
C) the external validity of his findings
D) the validity of his operational definitions
6) Tiffany has a keen interest in the original theories of William Sheldon regarding the relationship between body type and juvenile delinquency. She has duplicated the study using Sheldon 's original methodology to see if her results are compatible to Sheldon 's. Such a study illustrates the concept of ________.
A) validity
B) reliability
C) replication
D) correlation
7) What is the defining characteristic of a random sample?
A) It consists of an equal number of men