PSY 290 FINAL EXAM QUESTIONS WITH
CORRECT ANSWERS FULLY
ELABORATED.100% VERIFIED
A researcher conducts a study in which 50 rats are assigned to different treatments and tested. In the
study, the rats are called research ____. - answer ✔✔-subjects
You have dinner reservations at 7:30 at a restaurant that is 30 minutes away and it is already 7:20,
leading you to conclude that you are going to be late. This is an example of using the empirical method. -
answer ✔✔-false
In the scientific method, the actual research study is not done until after the researcher has formed a
hypothesis and made a specific prediction. - answer ✔✔-true
An artist tries putting a freshly painted canvas outside during a rainstorm to see how the painting will
change from the pattern of the raindrops. Which method of acquiring knowledge is she using? - answer
✔✔-method of empiracism
Before searching in PsycINFO, it is wise to identify the correct subject terms for the topics you have
identified. - answer ✔✔-true
What kind of validity requires that a researcher create two different measures of the same variable? -
answer ✔✔-convergent
You can safely assume that ____. - answer ✔✔-primary sources contain descriptions of research by
those who conducted it
_____________________ is a set of statements about the mechanisms that underlie a particular
behavior or thought process. - answer ✔✔-A theory
,Concurrent validity involves: - answer ✔✔-demonstrating that the scores on the new test correlate with
scores on established tests
A new survey of depression correlates positively and strongly with two other surveys of depression. This
is an example of: - answer ✔✔-convergent validity
Which of the following would be an example of a self-report measure of anxiety? - answer ✔✔-a survey
measuring anxiety
The Nuremberg Code outlines basic ethical guidelines for the ____. - answer ✔✔-treatment of human
participants
The principles outlined in the Belmont Report are no longer used today. - answer ✔✔-false
Which form of deception is permitted in psychological research? - answer ✔✔-Observing participants
who don't know they are being observed
The Tuskegee study involved injecting patients with live cancer cells without their knowledge or
consent. - answer ✔✔-false
The most commonly used sampling method in psychological research is probably ____ sampling. -
answer ✔✔-convenience
A teacher obtains a sample of children from a fifth-grade classroom by randomly selecting the third,
fifth, and eighth rows and taking all the students in those rows. This is an example of ____ sampling. -
answer ✔✔-cluster
The most commonly used sampling methods in psychology are nonprobability sampling methods. -
answer ✔✔-true
The technique of quota sampling is most similar to ____ sampling. - answer ✔✔-stratified random
, Dr. Sian varies the amount of a new sedative given to three groups of participants (0, 1, and 2 mg) and
then observes the reaction for each group. The 0-mg condition represents the ____ condition. - answer
✔✔-no treatment control
Dr. Nguyen is studying how amount of sleep influences mood for kindergarteners. A sample of 100
children is selected. Fifty children are allowed to sleep for 11 hours each night. The other 50 children are
awoken after 8 hours. After three nights, Dr. Nguyen records the mood for each child and compares the
two groups of scores. In this example, how many levels are there for the independent variable? - answer
✔✔-2
Simulation and field studies are used to increase the external validity of experiments. - answer ✔✔-true
A limitation of a single-factor multiple group design is that the ____. - answer ✔✔-mean differences
between the groups become smaller as more groups are used
researchers typically try to ______. - answer ✔✔-increase the differences between treatments and
decrease the variance within treatments
In an experiment examining the effects of background noise on people's ability to understand a verbal
message, one group of participants is given a comprehension quiz after listening to a passage being read
to them with no background noise. A week later, the same group of participants is given a
comprehension quiz after listening to a passage being read to them with 60 decibels of conversation as
background noise. This is an example of a ____ design. - answer ✔✔-within-subjects
In a between-subjects design, to compare proportions between groups, an independent-measures t-test
is appropriate - answer ✔✔-false
How many groups of participants would be needed to partially counterbalance four treatment
conditions? - answer ✔✔-4
The tendency for individuals who have extreme scores (high or low) on one measurement and to have
less extreme scores on a second measurement is called ____. - answer ✔✔-regression toward the mean
CORRECT ANSWERS FULLY
ELABORATED.100% VERIFIED
A researcher conducts a study in which 50 rats are assigned to different treatments and tested. In the
study, the rats are called research ____. - answer ✔✔-subjects
You have dinner reservations at 7:30 at a restaurant that is 30 minutes away and it is already 7:20,
leading you to conclude that you are going to be late. This is an example of using the empirical method. -
answer ✔✔-false
In the scientific method, the actual research study is not done until after the researcher has formed a
hypothesis and made a specific prediction. - answer ✔✔-true
An artist tries putting a freshly painted canvas outside during a rainstorm to see how the painting will
change from the pattern of the raindrops. Which method of acquiring knowledge is she using? - answer
✔✔-method of empiracism
Before searching in PsycINFO, it is wise to identify the correct subject terms for the topics you have
identified. - answer ✔✔-true
What kind of validity requires that a researcher create two different measures of the same variable? -
answer ✔✔-convergent
You can safely assume that ____. - answer ✔✔-primary sources contain descriptions of research by
those who conducted it
_____________________ is a set of statements about the mechanisms that underlie a particular
behavior or thought process. - answer ✔✔-A theory
,Concurrent validity involves: - answer ✔✔-demonstrating that the scores on the new test correlate with
scores on established tests
A new survey of depression correlates positively and strongly with two other surveys of depression. This
is an example of: - answer ✔✔-convergent validity
Which of the following would be an example of a self-report measure of anxiety? - answer ✔✔-a survey
measuring anxiety
The Nuremberg Code outlines basic ethical guidelines for the ____. - answer ✔✔-treatment of human
participants
The principles outlined in the Belmont Report are no longer used today. - answer ✔✔-false
Which form of deception is permitted in psychological research? - answer ✔✔-Observing participants
who don't know they are being observed
The Tuskegee study involved injecting patients with live cancer cells without their knowledge or
consent. - answer ✔✔-false
The most commonly used sampling method in psychological research is probably ____ sampling. -
answer ✔✔-convenience
A teacher obtains a sample of children from a fifth-grade classroom by randomly selecting the third,
fifth, and eighth rows and taking all the students in those rows. This is an example of ____ sampling. -
answer ✔✔-cluster
The most commonly used sampling methods in psychology are nonprobability sampling methods. -
answer ✔✔-true
The technique of quota sampling is most similar to ____ sampling. - answer ✔✔-stratified random
, Dr. Sian varies the amount of a new sedative given to three groups of participants (0, 1, and 2 mg) and
then observes the reaction for each group. The 0-mg condition represents the ____ condition. - answer
✔✔-no treatment control
Dr. Nguyen is studying how amount of sleep influences mood for kindergarteners. A sample of 100
children is selected. Fifty children are allowed to sleep for 11 hours each night. The other 50 children are
awoken after 8 hours. After three nights, Dr. Nguyen records the mood for each child and compares the
two groups of scores. In this example, how many levels are there for the independent variable? - answer
✔✔-2
Simulation and field studies are used to increase the external validity of experiments. - answer ✔✔-true
A limitation of a single-factor multiple group design is that the ____. - answer ✔✔-mean differences
between the groups become smaller as more groups are used
researchers typically try to ______. - answer ✔✔-increase the differences between treatments and
decrease the variance within treatments
In an experiment examining the effects of background noise on people's ability to understand a verbal
message, one group of participants is given a comprehension quiz after listening to a passage being read
to them with no background noise. A week later, the same group of participants is given a
comprehension quiz after listening to a passage being read to them with 60 decibels of conversation as
background noise. This is an example of a ____ design. - answer ✔✔-within-subjects
In a between-subjects design, to compare proportions between groups, an independent-measures t-test
is appropriate - answer ✔✔-false
How many groups of participants would be needed to partially counterbalance four treatment
conditions? - answer ✔✔-4
The tendency for individuals who have extreme scores (high or low) on one measurement and to have
less extreme scores on a second measurement is called ____. - answer ✔✔-regression toward the mean
