Which of the following threats to internal validity is an example of the problem of experimental mortality?
a. During the implementation of a study on violence in a prison, the prison administrator is replaced
b. During a study, subjects become tired and their response time is affected
c. During a study in which students interview prison inmates, a number of student interviewers graduate and must be replaced
d. During a study comparing two groups of prison inmates, some of the members of one group are released on parole
Answer: d
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The Uniform Crime Reports (UCR) only reports __________
Fill in the blank(s) with correct word
Nonparametric tests:
a. do not typically assume normality.* b. assume normality. c. assume data are measured according to an interval-level scale or higher. d. None of the above.
Which is a technique used to control the police?
a. Violent protests b. Media criticism c. Peaceful protests d. Civilian review boards
The Joint Terrorism Task Forces (JTTF) concept involves the melding of personnel and talent from various law enforcement agencies
a. True b. False Indicate whether the statement is true or false