Psychology 2000 Alex Cohen Exam 1 LSU
Questions With Verified Answers
Which correlation coefficient best represents a moderate relationship showing
fewer anxiety symptoms in people who report higher life satisfaction?
a. -0.5
b. +0.4
c. -0.2
d. +0.7 - ANSWER a. -0.5
Spurling et al. investigated the effects of two vocabulary learning strategies on
word retention two weeks later. In this example, learning strategy is the ________
variable and word retention is the ________ variable.
a. experimental; control
b. dependent; independent
c. control; experimental
d. independent; dependent - ANSWER d. independent; dependent
Which of the following is not a characteristic of a good hypothesis?
a. It is complex
b. It is falsiable
c. It can be tested using empirical methods
d. It is an if-then statement - ANSWER a. It is complex
Dr. Mattar is interested in knowing more about brain injury to the occipital
cortex, and he studies patients individually in order to gain in-depth knowledge
about their behaviors. These studies would best be described as ________.
a. case studies
b. surveys
c. cross-sectional
d. correlational - ANSWER a. case studies
Patwardhan et al. report data from a study where they hired experimental
confederates to attend speed dating events, posing as daters, and carefully take
notes on the behaviors of the daters. What type of research design did they use?
a. survey
b. naturalistic observation
c. case study
d. experiment - ANSWER b. naturalistic observation
, Green et al. used a ________ from their ________ of interest in order to make a
________.
a. sample; population; generalization
b. generalization; sample; hypothesis
c. population; sample; generalization
d. sample; population; hypothesis - ANSWER a. sample; population;
generalization
A group of preschool-age children are enrolled in a study that plans to follow
them over time in order to assess behaviors and other characteristics that may
predict later development of schizophrenia. This is an example of a ________
design.
a. longitudinal
b. experimental
c. cross sectional
d. survey - ANSWER a. longitudinal
Which of the following research designs will allow cause-and-effect
conclusions? Select one:
a. survey
b. experimental
c. quasi-experimental
d. correlational - ANSWER b. experimental
Stan and Jenny are in a psychology course that requires them to repeat an
experiment that researchers have conducted in the past, in order to determine
whether they produce the same results. This is called ________. Select one:
a. replication
b. inter-rater reliability
c. validity
d. reliability - ANSWER a. replication
A negative correlation means ________. Select one:
a. one variable decreases as the other increases
b. there is a relationship between two variables, but it is not statistically
signicant
c. a third variable eliminates a correlational relationship
d. two variables increase together, but they are associated with an undesirable
outcome - ANSWER a. one variable decreases as the other increases
Research shows that people who smoke cigarettes are more likely to get lung
cancer than those who do not smoke. This research alone demonstrates that
________. Select one:
a. there is a predisposition toward both smoking and lung cancer
b. smoking contributes to lung cancer
c. there is a relationship between smoking and lung cancer
Questions With Verified Answers
Which correlation coefficient best represents a moderate relationship showing
fewer anxiety symptoms in people who report higher life satisfaction?
a. -0.5
b. +0.4
c. -0.2
d. +0.7 - ANSWER a. -0.5
Spurling et al. investigated the effects of two vocabulary learning strategies on
word retention two weeks later. In this example, learning strategy is the ________
variable and word retention is the ________ variable.
a. experimental; control
b. dependent; independent
c. control; experimental
d. independent; dependent - ANSWER d. independent; dependent
Which of the following is not a characteristic of a good hypothesis?
a. It is complex
b. It is falsiable
c. It can be tested using empirical methods
d. It is an if-then statement - ANSWER a. It is complex
Dr. Mattar is interested in knowing more about brain injury to the occipital
cortex, and he studies patients individually in order to gain in-depth knowledge
about their behaviors. These studies would best be described as ________.
a. case studies
b. surveys
c. cross-sectional
d. correlational - ANSWER a. case studies
Patwardhan et al. report data from a study where they hired experimental
confederates to attend speed dating events, posing as daters, and carefully take
notes on the behaviors of the daters. What type of research design did they use?
a. survey
b. naturalistic observation
c. case study
d. experiment - ANSWER b. naturalistic observation
, Green et al. used a ________ from their ________ of interest in order to make a
________.
a. sample; population; generalization
b. generalization; sample; hypothesis
c. population; sample; generalization
d. sample; population; hypothesis - ANSWER a. sample; population;
generalization
A group of preschool-age children are enrolled in a study that plans to follow
them over time in order to assess behaviors and other characteristics that may
predict later development of schizophrenia. This is an example of a ________
design.
a. longitudinal
b. experimental
c. cross sectional
d. survey - ANSWER a. longitudinal
Which of the following research designs will allow cause-and-effect
conclusions? Select one:
a. survey
b. experimental
c. quasi-experimental
d. correlational - ANSWER b. experimental
Stan and Jenny are in a psychology course that requires them to repeat an
experiment that researchers have conducted in the past, in order to determine
whether they produce the same results. This is called ________. Select one:
a. replication
b. inter-rater reliability
c. validity
d. reliability - ANSWER a. replication
A negative correlation means ________. Select one:
a. one variable decreases as the other increases
b. there is a relationship between two variables, but it is not statistically
signicant
c. a third variable eliminates a correlational relationship
d. two variables increase together, but they are associated with an undesirable
outcome - ANSWER a. one variable decreases as the other increases
Research shows that people who smoke cigarettes are more likely to get lung
cancer than those who do not smoke. This research alone demonstrates that
________. Select one:
a. there is a predisposition toward both smoking and lung cancer
b. smoking contributes to lung cancer
c. there is a relationship between smoking and lung cancer
