Question : 121. In a laboratory, smokers asked to “drive” using a : 1181964

 

121. In a laboratory, smokers are asked to “drive” using a computerized driving simulator equipped with a stick shift and a gas pedal. The object is to maximize the distance covered by driving as fast as possible on a winding road while avoiding rear-end collisions. Some of the participants smoke a real cigarette immediately before climbing into the driver’s seat. Others smoke a fake cigarette without nicotine. You are interested in comparing how many collisions the two groups have. In this study, the cigarette without nicotine is _____________________.

a) the control group

b) the driving simulator

c) the experimental group

d) the no-control group

122. The process where research participants are placed, by chance, into either the experimental or control groups is known as ________.

a) random selection

b) random assignment

c) control condition

d) quasi-experiment

123. All of the following are accurate statements regarding random assignment EXCEPT _______________________.

a) it is a procedure for assigning people to experimental and control groups

b) it is a procedure in which each subject has the same possibility of being assigned to a given group

c) it is a procedure in which subjects are assigned to a positive correlation or a negative correlation condition

d) it is a procedure that allows individual characteristics to be roughly balanced between groups

124. Which of the following is CORRECT concerning random assignment?

a) In random assignment each participant has an equal chance for each condition.

b) In random assignment each participant is assigned alphabetically to each condition.

c) Random assignment can only be determined after an experiment is over.

d) The best formula for random assignment is birth dates.

125. The key difference between an experimental and a quasi-experimental study is that the quasi-experimental study ________.

a) does not appear to be an experimental study, but it has all of the characteristics of one

b) contains an independent variable

c) has multiple dependent variables

d) does not involve random assignment

126. Reliability refers to the _____________.

a) validity of data

b) levels of data

c) consistency of data

d) measurement scales of data

127. If you administer a test to a group of students and then retest them with an alternate form of the same test, you should find similar scores. This finding would suggest that _____________.

a) you have not achieved a high degree of reliability

b) your test is fairly reliable

c) you have achieved a high degree of validity

d) your test has low validity

128. An experiment is valid if _____________.

a) it produces reliable findings

b) its findings are consistent across experiments

c) it measures what the investigator designed it to measure

d) its measures are both reliable and consistent across experiments

129. Reliability is to validity as ________.

a) truthfulness is to consistency

b) consistency is to accuracy

c) constant is to changing

d) consistent is to inconsistent

130. Response bias refers to a tendency _____________.

a) in which participants are not chosen at random

b) to respond in a particular way regardless of one’s actual knowledge or beliefs

c) to purposely mislead a researcher

d) to purposely produce invalid data

 

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