Question : 161. In an experiment, the _____ variable measured and expected to : 1252702

 

161. In an experiment, the _____ variable is measured and is expected to change due to the experimenter’s manipulation. 
A. control
B. dependent
C. independent
D. experimental

162. In an experiment, the dependent variable is: 
A. applied to the treatment group.
B. randomized across groups.
C. measured by the researcher and is expected to change.
D. deliberately manipulated by the researcher.

163. In an experiment, the independent variable is: 
A. applied to the control group.
B. randomized across groups.
C. measured by the researcher and is expected to change.
D. deliberately manipulated by the researcher.

164. Doctors Chase and Sanborn are conducting an experiment on the effects of caffeine on memory. Participants are randomly assigned to a caffeine or a no-caffeine group; their recall of items on a word list is later assessed. Which pair correctly identifies a variable in this experiment? 
A. Caffeine—dependent variable
B. Caffeine—independent variable
C. Word recall—independent variable
D. Word recall—experimental variable

165. Doctors Chase and Sanborn are conducting an experiment on the effects of caffeine on memory. Participants are randomly assigned to a caffeine or a no-caffeine group; their recall of items on a word list is later assessed. In this experiment, word recall is the _____ variable. 
A. subject
B. control
C. independent
D. dependent

166. Doctors Chase and Sanborn are conducting an experiment on the effects of caffeine on memory. Participants are randomly assigned to a caffeine or a no-caffeine group; their recall of items on a word list is later assessed. Which pair below correctly names and identifies the variables in this experiment? 
A. Word recall—control variable; caffeine—experimental variable
B. Word recall—independent variable; caffeine—dependent variable
C. Word recall—dependent variable; caffeine—independent variable
D. Word recall—experimental variable; caffeine—control variable

167. In a typical Latane and Darley “bystander” experiment, _____ is the independent variable and _____ is the dependent variable. 
A. the presence of bystanders; whether a false emergency occurs
B. whether a false emergency occurs; the presence of bystanders
C. whether the participant helps; the number of people present
D. number of people present; whether the participant helps

168. The people taking part in an experiment are referred to as _____. 
A. patients
B. subjects
C. confederates
D. assignees

169. The purpose of random assignment is to: 
A. combine the results of a number of similar studies.
B. determine how likely it is that the results of a treatment were due to chance.
C. ensure that participant characteristics are equivalent across the various groups.
D. determine whether two variables are related.

170. In which of the following procedures are participants assigned to different experimental groups on the basis of chance and chance alone? 
A. Operationalization
B. Correlation
C. Random sampling method
D. Random assignment to condition

 

 

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