PSY 290 Exam 3 part 2 UPDATED ACTUAL
Questions and CORRECT Answers
T/F: A researcher knows that there is a relationship between obesity and watching television for young
children. However, it is not known whether children watch more TV because they are overweight, or
whether they are overweight because they watch so much TV. This is an example of the third-variable
problem. - CORRECT ANSWER -False
T/F: The coefficient of determination is computed by taking the square root of the correlation coefficient.
- CORRECT ANSWER -False
When a person applies to rent a house, he/she sometimes is required to consent to a credit check along
with his/her application. Landlords know that there is a relationship between credit score and the
likelihood of paying rent on time. In this situation, paying rent on time is best characterized as the -
CORRECT ANSWER -Criterion
T/F: Suppose there is a correlation of +0.87 between the length of time a person is in prison and the
amount of aggression the person displays on a psychological inventory. This means that spending a longer
amount of time in prison causes people to become more aggressive. - CORRECT ANSWER -False
Which example illustrates a positive correlation? - CORRECT ANSWER -Salary level decreases as
educational level decreases.
The Spearman correlation is used when both scores are ______. - CORRECT ANSWER -from the
ordinal scale
A researcher reports a positive relationship between sugar consumption and activity level for a group of 8-
year-old children. However, the researcher cannot be sure whether the extra sugar is causing the children
to be more active or whether the extra activity is causing the children to eat more sugar. This is an
example of the _____. - CORRECT ANSWER -directionality problem
A researcher knows that there is a relationship between obesity and watching television for young
children. However, it is not known whether children watch more TV because they are overweight, or
, whether they are overweight because they watch so much TV. This is an example of the directionality
problem. - CORRECT ANSWER -True
A researcher reports that there is no consistent relationship between grade point average and the number
of hours spent studying for college students. The correlation between grade point averae and the number
of hours studying is an example of a _____. - CORRECT ANSWER -positive correlation
To establish the test-retest reliability of a measure of academic motivation, a researcher examines the
_____. - CORRECT ANSWER -relationship between the scores from two administrations of the
measure
During a study using the behavioral research strategy, it is common to prepare a list of behaviors called
behavioral categories before the actual observation begins. The purpose for this procedure is to ______. -
CORRECT ANSWER -raise the external validity of the study
T/F: Roshenhan's study in which individuals were admitted to psychiatric hospitals in order to observe
patients and patient-staff interactions, is an example of contrived observation. - CORRECT
ANSWER -False
T/F: Case studies are examples of research using the idiographic approach. - CORRECT
ANSWER -True
In an observational study of children in a day care setting, you select one participant at a time for
observation. This is an example of using - CORRECT ANSWER -Individual sampling
The ______ method for quantifying observations involves counting the number of times a behavior
occurs in a specified period of time. - CORRECT ANSWER -frequency
A researcher who wanted to observe behaviors in a private social club would probably need to use _____.
- CORRECT ANSWER -participant observation
Questions and CORRECT Answers
T/F: A researcher knows that there is a relationship between obesity and watching television for young
children. However, it is not known whether children watch more TV because they are overweight, or
whether they are overweight because they watch so much TV. This is an example of the third-variable
problem. - CORRECT ANSWER -False
T/F: The coefficient of determination is computed by taking the square root of the correlation coefficient.
- CORRECT ANSWER -False
When a person applies to rent a house, he/she sometimes is required to consent to a credit check along
with his/her application. Landlords know that there is a relationship between credit score and the
likelihood of paying rent on time. In this situation, paying rent on time is best characterized as the -
CORRECT ANSWER -Criterion
T/F: Suppose there is a correlation of +0.87 between the length of time a person is in prison and the
amount of aggression the person displays on a psychological inventory. This means that spending a longer
amount of time in prison causes people to become more aggressive. - CORRECT ANSWER -False
Which example illustrates a positive correlation? - CORRECT ANSWER -Salary level decreases as
educational level decreases.
The Spearman correlation is used when both scores are ______. - CORRECT ANSWER -from the
ordinal scale
A researcher reports a positive relationship between sugar consumption and activity level for a group of 8-
year-old children. However, the researcher cannot be sure whether the extra sugar is causing the children
to be more active or whether the extra activity is causing the children to eat more sugar. This is an
example of the _____. - CORRECT ANSWER -directionality problem
A researcher knows that there is a relationship between obesity and watching television for young
children. However, it is not known whether children watch more TV because they are overweight, or
, whether they are overweight because they watch so much TV. This is an example of the directionality
problem. - CORRECT ANSWER -True
A researcher reports that there is no consistent relationship between grade point average and the number
of hours spent studying for college students. The correlation between grade point averae and the number
of hours studying is an example of a _____. - CORRECT ANSWER -positive correlation
To establish the test-retest reliability of a measure of academic motivation, a researcher examines the
_____. - CORRECT ANSWER -relationship between the scores from two administrations of the
measure
During a study using the behavioral research strategy, it is common to prepare a list of behaviors called
behavioral categories before the actual observation begins. The purpose for this procedure is to ______. -
CORRECT ANSWER -raise the external validity of the study
T/F: Roshenhan's study in which individuals were admitted to psychiatric hospitals in order to observe
patients and patient-staff interactions, is an example of contrived observation. - CORRECT
ANSWER -False
T/F: Case studies are examples of research using the idiographic approach. - CORRECT
ANSWER -True
In an observational study of children in a day care setting, you select one participant at a time for
observation. This is an example of using - CORRECT ANSWER -Individual sampling
The ______ method for quantifying observations involves counting the number of times a behavior
occurs in a specified period of time. - CORRECT ANSWER -frequency
A researcher who wanted to observe behaviors in a private social club would probably need to use _____.
- CORRECT ANSWER -participant observation
