PSY 3213 Exam Questions with 100% Verified Answers
If a factorial design were used, what are the two independent variables?
a. music and classroom color
b. music and grade level
c. test scores and music
d. classroom color and test scores
music and classroom color
Suppose a researcher investigated the judgments of guilt made by jurors in response to
attractiveness (attractive vs unattractive) and facial expression (neutral vs smiling). The
results indicated a main effect for attractiveness as your only significant finding. This
would mean that
a. Facial expression alone was responsible for juror guilt decisions
b. Attractiveness alone was responsible for juror guilt decisions
c. Nothing; You can never believe main effects in a factorial experiment
d. Both attractiveness and facial expression was responsible for juror guilt decisions
Attractiveness alone was responsible for juror guilt decisions
In a study of preference for four different clothing styles, each participant is asked to evaluate
all four styles in a reverse counterbalanced order. What type of design does this study
represent?
a. al design
, b. one-variable within-subjects design
c. mixed factori
d. between-subjects factorial design
e. one-variable between subjects design
one-variable within-subjects design
Dr. Knasko is performing a within-subjects experiment in which she is interested in
whether the presence of an odor will affect performance on a videogame task. She has
three odor conditions: Peppermint, lavender, and a no odor control. Dr. Knasko wants to
use a Latin Square design to present her conditions. Which ordering reflects a Latin Square?
Subject 1: ABC, Subject 2: BCA, Subject 3: CAB
Dr. James wants to perform a within-subjects experiment that involves four levels of an
independent variable. He wants to control for order and sequence effects using complete
counterbalancing within a group of subjects. What is the minimum number of subjects
that he will need?
24
A research procedure in which the scientist has complete control over all aspects of the
study is called:
A true experiment
Counterbalancing involves arranging conditions such that each condition
follows every other condition an equal number of times
The Latin-square design controls for
order but not sequence
Dr. Pritts is trying to determine whether elevated levels of a particular hormone alter rats'
spatial ability. She injects rats either with the hormone or a saline solution, then times how
long it takes them to find the hidden platform in a Morris Water Maze. In this problem,
If a factorial design were used, what are the two independent variables?
a. music and classroom color
b. music and grade level
c. test scores and music
d. classroom color and test scores
music and classroom color
Suppose a researcher investigated the judgments of guilt made by jurors in response to
attractiveness (attractive vs unattractive) and facial expression (neutral vs smiling). The
results indicated a main effect for attractiveness as your only significant finding. This
would mean that
a. Facial expression alone was responsible for juror guilt decisions
b. Attractiveness alone was responsible for juror guilt decisions
c. Nothing; You can never believe main effects in a factorial experiment
d. Both attractiveness and facial expression was responsible for juror guilt decisions
Attractiveness alone was responsible for juror guilt decisions
In a study of preference for four different clothing styles, each participant is asked to evaluate
all four styles in a reverse counterbalanced order. What type of design does this study
represent?
a. al design
, b. one-variable within-subjects design
c. mixed factori
d. between-subjects factorial design
e. one-variable between subjects design
one-variable within-subjects design
Dr. Knasko is performing a within-subjects experiment in which she is interested in
whether the presence of an odor will affect performance on a videogame task. She has
three odor conditions: Peppermint, lavender, and a no odor control. Dr. Knasko wants to
use a Latin Square design to present her conditions. Which ordering reflects a Latin Square?
Subject 1: ABC, Subject 2: BCA, Subject 3: CAB
Dr. James wants to perform a within-subjects experiment that involves four levels of an
independent variable. He wants to control for order and sequence effects using complete
counterbalancing within a group of subjects. What is the minimum number of subjects
that he will need?
24
A research procedure in which the scientist has complete control over all aspects of the
study is called:
A true experiment
Counterbalancing involves arranging conditions such that each condition
follows every other condition an equal number of times
The Latin-square design controls for
order but not sequence
Dr. Pritts is trying to determine whether elevated levels of a particular hormone alter rats'
spatial ability. She injects rats either with the hormone or a saline solution, then times how
long it takes them to find the hidden platform in a Morris Water Maze. In this problem,
