PSY 202 (Psychology) RESEARCH VERIFIED
GUIDE AND ACCURATE FOR EXAM PREP.
A researcher wants to run a 2 × 3 mixed factorial design. The first factor is
within-subjects. The second factor is between-subjects. If the researcher
wants 20 observations per cell, which of the following is the correct
number of participants he will need in total?
60
Koordeman et al. (2011) conducted a study on the effect of alcohol
commercials on alcohol consumption in a movie theater. Participants saw
one of two types of beverage commercials: alcoholic or nonalcoholic. Their
consumption of alcohol during the movie was then measured. Finally,
they completed a questionnaire on their usual drinking habits. Koordeman
et al. found that young adults who generally consume large amounts of
alcohol each week were influenced to drink more alcohol when they saw
alcohol commercials, whereas the alcohol consumption of young adults
who generally consume small amounts of alcohol each week was not
influenced by the type of commercial shown. What is the most important
finding of this study?
type of commercial shown
Interactions allow researchers to examine which of the following
variables?
moderating
Lisa is interested in how well people are able to detect whether another
person is a "cooperator," a "competitor," or an "individualist" simply by
looking at a picture of the person's face. She wants to know which kind of
face can be identified most easily and whether this varies by the race of
the person in the picture. She designs a 2 × 3 within-group design where
she has participants in her study look at faces of African American people
and Caucasian people who are "cooperators," "competitors," or
,"individualists." The participants try to identify the personality of the
person in each picture and Lisa keeps track of the number of pictures
accurately identified for each picture type. Caucasian "competitors" were
identified more easily than the other two Caucasian personality types, but
there was no difference in accuracy for African American faces. Which of
the following does this describe?
a two-way interaction between race and personality
Lisa is interested in how well people are able to detect whether another
person is a "cooperator," a "competitor," or an "individualist" simply by
looking at a picture of the person's face. She wants to know what kind of
face can be identified most easily and whether this varies by the race of
the person in the picture. She designs a 2 × 3 within-group design where
she has participants in her study look at faces from African American
people and Caucasian people who are "cooperators," "competitors," or
"individualists." The participants try to identify the personality of the
person in each picture and Lisa keeps track of the number of pictures
accurately identified for each picture type. Which of the following correctly
lists all the differences that must be examined?
two main effects and one interaction
How many independent variables and how many cells are there in a 2 × 3
× 4 study?
3 independent variables, 24 cells
Koordeman et al. (2011) conducted a study on the effect of alcohol
commercials on alcohol consumption in a movie theater. Participants saw
one of two types of beverage commercials: alcoholic or nonalcoholic. Their
consumption of alcohol during the movie was then measured. Finally,
they completed a questionnaire on their usual drinking habits. Koordeman
et al. found that young adults who generally consume large amounts of
alcohol each week were influenced to drink more alcohol when they saw
alcohol commercials, whereas the alcohol consumption of young adults
who generally consume small amounts of alcohol each week was not
,influenced by the type of commercial shown. Which of the following is a
participant variable in this study?
amount of alcohol consumed by the young adult during the week
Susan ran a study in which she had a group of younger adults (18 to 24
years old) and a group of older adults (50 to 65 years old). She had both
groups recite a poem by memory once in front of an audience of 50 people
and once in a room by themselves. She counterbalanced the order of these
tasks between participants. She had the participants rate their level of
anxiety right before they recited the poem each time. Susan found a main
effect for age such that younger people reported being more anxious than
older people. She found a main effect for audience size such that people
were more anxious in the room with 50 people than they were in the room
by themselves. She did not find an interaction in the results. If Susan were
to graph her results, which of the following would they look like?
two parallel, diagonal lines
Jane is conducting a study on the effects of meditation on stress with
highly anxious and nonanxious participants. She finds that overall, highly
anxious participants reported greater levels of stress and that, overall,
participants in the meditation group reported lower levels of stress than
the group that did not practice meditation. She also found that the impact
of meditation on lowering stress was particularly strong for participants
who were highly anxious. Which of the following is a correct description
of the results?
two main effects and an interaction
Koordeman et al. (2011) conducted a study on the effect of alcohol
commercials on alcohol consumption in a movie theater. Participants saw
one of two types of beverage commercials: alcoholic or nonalcoholic. Their
consumption of alcohol during the movie was then measured. Finally,
they completed a questionnaire on their usual drinking habits. Koordeman
et al. found that young adults who generally consume large amounts of
alcohol each week were influenced to drink more alcohol when they saw
, alcohol commercials, whereas the alcohol consumption of young adults
who generally consume small amounts of alcohol each week was not
influenced by the type of commercial shown. What is the most important
finding of this study?
The effect of the alcohol commercial on alcohol consumption depended on
whether the viewer was usually a heavy drinker or a light drinker.
After implementation of a new city law, a restaurant chain began
displaying the nutrition labels for their menu items. The restaurant owner
recorded sales of the 15 highest-calorie menu items on three occasions:
once the month before the change in menu display, once the week of the
change in menu display, and once the month after the change in menu
display. The owner observed that the sale of the high-calorie menu items
dropped, while overall sales remained steady. Which is the dependent
variable in this study?
sales for high-calorie menu items
After implementation of a new city law, a restaurant chain began
displaying the nutrition labels for their menu items. The restaurant owner
recorded sales of the 15 highest-calorie menu items on three occasions:
once the month before the change in menu display, once the week of the
change in menu display, and once the month after the change in menu
display. The owner observed that the sale of the high-calorie menu items
dropped, while overall sales remained steady. Which type of design is
this?
interrupted time-series design
Julie works at a large gym. She wants to do a study of the effect on self-
esteem and mood of having a personal trainer. She collects a list of
members at her gym who would like to have a personal trainer. She
assigns half of them to have a trainer right away and half of them to wait
several months before being assigned a trainer. She measures self-esteem
and mood in all of the participants over the next several months, when
only one of the groups would have a trainer. Which advantages does
GUIDE AND ACCURATE FOR EXAM PREP.
A researcher wants to run a 2 × 3 mixed factorial design. The first factor is
within-subjects. The second factor is between-subjects. If the researcher
wants 20 observations per cell, which of the following is the correct
number of participants he will need in total?
60
Koordeman et al. (2011) conducted a study on the effect of alcohol
commercials on alcohol consumption in a movie theater. Participants saw
one of two types of beverage commercials: alcoholic or nonalcoholic. Their
consumption of alcohol during the movie was then measured. Finally,
they completed a questionnaire on their usual drinking habits. Koordeman
et al. found that young adults who generally consume large amounts of
alcohol each week were influenced to drink more alcohol when they saw
alcohol commercials, whereas the alcohol consumption of young adults
who generally consume small amounts of alcohol each week was not
influenced by the type of commercial shown. What is the most important
finding of this study?
type of commercial shown
Interactions allow researchers to examine which of the following
variables?
moderating
Lisa is interested in how well people are able to detect whether another
person is a "cooperator," a "competitor," or an "individualist" simply by
looking at a picture of the person's face. She wants to know which kind of
face can be identified most easily and whether this varies by the race of
the person in the picture. She designs a 2 × 3 within-group design where
she has participants in her study look at faces of African American people
and Caucasian people who are "cooperators," "competitors," or
,"individualists." The participants try to identify the personality of the
person in each picture and Lisa keeps track of the number of pictures
accurately identified for each picture type. Caucasian "competitors" were
identified more easily than the other two Caucasian personality types, but
there was no difference in accuracy for African American faces. Which of
the following does this describe?
a two-way interaction between race and personality
Lisa is interested in how well people are able to detect whether another
person is a "cooperator," a "competitor," or an "individualist" simply by
looking at a picture of the person's face. She wants to know what kind of
face can be identified most easily and whether this varies by the race of
the person in the picture. She designs a 2 × 3 within-group design where
she has participants in her study look at faces from African American
people and Caucasian people who are "cooperators," "competitors," or
"individualists." The participants try to identify the personality of the
person in each picture and Lisa keeps track of the number of pictures
accurately identified for each picture type. Which of the following correctly
lists all the differences that must be examined?
two main effects and one interaction
How many independent variables and how many cells are there in a 2 × 3
× 4 study?
3 independent variables, 24 cells
Koordeman et al. (2011) conducted a study on the effect of alcohol
commercials on alcohol consumption in a movie theater. Participants saw
one of two types of beverage commercials: alcoholic or nonalcoholic. Their
consumption of alcohol during the movie was then measured. Finally,
they completed a questionnaire on their usual drinking habits. Koordeman
et al. found that young adults who generally consume large amounts of
alcohol each week were influenced to drink more alcohol when they saw
alcohol commercials, whereas the alcohol consumption of young adults
who generally consume small amounts of alcohol each week was not
,influenced by the type of commercial shown. Which of the following is a
participant variable in this study?
amount of alcohol consumed by the young adult during the week
Susan ran a study in which she had a group of younger adults (18 to 24
years old) and a group of older adults (50 to 65 years old). She had both
groups recite a poem by memory once in front of an audience of 50 people
and once in a room by themselves. She counterbalanced the order of these
tasks between participants. She had the participants rate their level of
anxiety right before they recited the poem each time. Susan found a main
effect for age such that younger people reported being more anxious than
older people. She found a main effect for audience size such that people
were more anxious in the room with 50 people than they were in the room
by themselves. She did not find an interaction in the results. If Susan were
to graph her results, which of the following would they look like?
two parallel, diagonal lines
Jane is conducting a study on the effects of meditation on stress with
highly anxious and nonanxious participants. She finds that overall, highly
anxious participants reported greater levels of stress and that, overall,
participants in the meditation group reported lower levels of stress than
the group that did not practice meditation. She also found that the impact
of meditation on lowering stress was particularly strong for participants
who were highly anxious. Which of the following is a correct description
of the results?
two main effects and an interaction
Koordeman et al. (2011) conducted a study on the effect of alcohol
commercials on alcohol consumption in a movie theater. Participants saw
one of two types of beverage commercials: alcoholic or nonalcoholic. Their
consumption of alcohol during the movie was then measured. Finally,
they completed a questionnaire on their usual drinking habits. Koordeman
et al. found that young adults who generally consume large amounts of
alcohol each week were influenced to drink more alcohol when they saw
, alcohol commercials, whereas the alcohol consumption of young adults
who generally consume small amounts of alcohol each week was not
influenced by the type of commercial shown. What is the most important
finding of this study?
The effect of the alcohol commercial on alcohol consumption depended on
whether the viewer was usually a heavy drinker or a light drinker.
After implementation of a new city law, a restaurant chain began
displaying the nutrition labels for their menu items. The restaurant owner
recorded sales of the 15 highest-calorie menu items on three occasions:
once the month before the change in menu display, once the week of the
change in menu display, and once the month after the change in menu
display. The owner observed that the sale of the high-calorie menu items
dropped, while overall sales remained steady. Which is the dependent
variable in this study?
sales for high-calorie menu items
After implementation of a new city law, a restaurant chain began
displaying the nutrition labels for their menu items. The restaurant owner
recorded sales of the 15 highest-calorie menu items on three occasions:
once the month before the change in menu display, once the week of the
change in menu display, and once the month after the change in menu
display. The owner observed that the sale of the high-calorie menu items
dropped, while overall sales remained steady. Which type of design is
this?
interrupted time-series design
Julie works at a large gym. She wants to do a study of the effect on self-
esteem and mood of having a personal trainer. She collects a list of
members at her gym who would like to have a personal trainer. She
assigns half of them to have a trainer right away and half of them to wait
several months before being assigned a trainer. She measures self-esteem
and mood in all of the participants over the next several months, when
only one of the groups would have a trainer. Which advantages does
