Question 1

In a study examining the effect of room illumination (low,medium,high)and room temperature (cold,warm,hot)on test performance,how many main effects are possible?

Accepted Answer

A)  2 
B)  3 
C)  6 
D)  9 
A)  2 
B)  3 
C)  6 
D)  9

Question 2

A researcher conducts an experiment in which half of the participants read a story designed to reduce prejudice (story group),whereas the other half of the participants read material unrelated to prejudice (control group).After reading the material,half of the participants describe a minority group while alone,and the other half describes a minority group in the presence of their peers.The dependent variable is the number of positive statements made about the minority group.The mean number of positive statements in the four conditions was:
$\begin{array}{r}
\text { AlonePeer }\
\begin{array}{lll}
\text {  Control } & 1 & 2\
\text { Story } & 5 & 1
\end{array}
\end{array}$

$\begin{array} { l l l }  \end{array}$
Although the final conclusions would be based on statistical significance tests,these results indicate a(n)

Accepted Answer

A)  main effect of the control versus story variable. 
B)  main effect of the alone versus peer group variable. 
C)  interaction. 
D)  interaction,as well as a main effect of both the control versus story variable and the alone versus peer group variable. 
A)  main effect of the control versus story variable. 
B)  main effect of the alone versus peer group variable. 
C)  interaction. 
D)  interaction,as well as a main effect of both the control versus story variable and the alone versus peer group variable.

Question 3

In a study examining the effect of room illumination (low,medium,high)and room temperature (cold,warm,hot)on test performance,how many interactions are possible?

Accepted Answer

A)  1 
B)  2 
C)  6 
D)  9 
A)  1 
B)  2 
C)  6 
D)  9

Question 4

A study involves a 3 x 4 x 2 factorial design.How many independent variables are being studied?

Accepted Answer

A)  24 
B)  9 
C)  4 
D)  3 
A)  24 
B)  9 
C)  4 
D)  3

Question 5

A simple main effect analysis examines

Accepted Answer

A)  the overall effect of one independent variable. 
B)  the mean differences at each level of the independent variable. 
C)  the overall effect of the interaction. 
D)  the simplest main effect. 
A)  the overall effect of one independent variable. 
B)  the mean differences at each level of the independent variable. 
C)  the overall effect of the interaction. 
D)  the simplest main effect.

Question 6

In a factorial design,the effect of a moderating variable is revealed as a(n)

Accepted Answer

A)  main effect. 
B)  simple main effect. 
C)  interaction. 
D)  participant variable (PV). 
A)  main effect. 
B)  simple main effect. 
C)  interaction. 
D)  participant variable (PV).

Question 7

You design an experiment that manipulates the following variables: temperature (low or high);illumination level (low or high);and time of testing (day or night).For a completely repeated measures design,how many participants will you need to have 10 participants per condition?

Accepted Answer

A)  20 
B)  150 
C)  10 
D)  100 
A)  20 
B)  150 
C)  10 
D)  100

Question 8

In a factorial design,which variable influences the nature of the relationship between two other variables?

Accepted Answer

A)  Dependent variable 
B)  Moderator 
C)  Interactional 
D)  Multiplying 
A)  Dependent variable 
B)  Moderator 
C)  Interactional 
D)  Multiplying

Question 9

Which of the following is not true of a 2 x 2 interaction factorial design?

Accepted Answer

A)  There may be 2 significant main effects and 2 significant interactions. 
B)  There may be 1 significant main effect,1 non-significant main effect,and 1 significant interaction. 
C)  There may be 2 non-significant main effects and 1 significant interaction. 
D)  There may be 2 significant main effects and 1 significant interaction. 
A)  There may be 2 significant main effects and 2 significant interactions. 
B)  There may be 1 significant main effect,1 non-significant main effect,and 1 significant interaction. 
C)  There may be 2 non-significant main effects and 1 significant interaction. 
D)  There may be 2 significant main effects and 1 significant interaction.

Question 10

A marketing company wants to determine which cola beverage is most preferred by consumers.A group of participants tastes Cola A and then rates the taste.The group then tastes Cola B and rates the taste for this cola.A second group of participants follows the same procedure.However,they first taste Cola B and then Cola A.This is an example of what type of design?

Accepted Answer

A)  2 x 2 independent groups 
B)  2 x 2 repeated measures 
C)  2 x 2 mixed factorial 
D)  IV x PV 
A)  2 x 2 independent groups 
B)  2 x 2 repeated measures 
C)  2 x 2 mixed factorial 
D)  IV x PV

Question 11

An investigator wants to test the effectiveness of visualization on sports performance.She randomly assigns participants to two groups.Participants in the visualization group imagine themselves swinging a golf club perfectly for 20 minutes prior to a session on the driving range.Participants in the control group read Golf magazine for 20 minutes prior to a session on the driving range.All participants do this procedure each day for five days.The dependent measure,the average flight distance of the ball,is calculated for each participant after each session.This is an example of a(n)________ design.

Accepted Answer

A)  two-group pretest-posttest 
B)  2 x 5 mixed factorial 
C)  2 x 5 independent groups factorial 
D)  IV x PV factorial 
A)  two-group pretest-posttest 
B)  2 x 5 mixed factorial 
C)  2 x 5 independent groups factorial 
D)  IV x PV factorial

Question 12

An IV x PV design has

Accepted Answer

A)  two manipulated variables. 
B)  two non-manipulated variables. 
C)  one manipulated and one non-manipulated variable. 
D)  one manipulated and one measured variable. 
A)  two manipulated variables. 
B)  two non-manipulated variables. 
C)  one manipulated and one non-manipulated variable. 
D)  one manipulated and one measured variable.

Question 13

A researcher examined judgments of responsibility for an automobile accident by manipulating the type of injuries received (none,mild,or severe)and the time of the accident (7 a.m. ,12 p.m. ,6 p.m. ,or 3 a.m. ).How many main effects are possible in this study?

Accepted Answer

A)  2 
B)  4 
C)  7 
D)  12 
A)  2 
B)  4 
C)  7 
D)  12

Question 14

In analyzing the interaction between age and gender,Reba finds a difference in hiring likelihood between young and old applicants when they are females.However,she finds no difference between young and old applicants when they are males.Based on the findings,Reba has examined the

Accepted Answer

A)  main effect of age. 
B)  main effect of gender. 
C)  simple main effect of age. 
D)  simple main effect of gender. 
A)  main effect of age. 
B)  main effect of gender. 
C)  simple main effect of age. 
D)  simple main effect of gender.

Question 15

Interactions are often discussed in terms of a moderator variable.A moderator variable

Accepted Answer

A)  is a misleading variable. 
B)  is a variable with only a moderate effect on the interaction. 
C)  influences the relationship between two other variables. 
D)  balances the effect between variables. 
A)  is a misleading variable. 
B)  is a variable with only a moderate effect on the interaction. 
C)  influences the relationship between two other variables. 
D)  balances the effect between variables.

Question 16

A researcher states that "anxiety decreased performance irrespective of the participants' motivation levels." This statement tells you that there was a(n)

Accepted Answer

A)  main effect of anxiety. 
B)  interaction between anxiety and motivation. 
C)  main effect of motivation. 
D)  Type I error. 
A)  main effect of anxiety. 
B)  interaction between anxiety and motivation. 
C)  main effect of motivation. 
D)  Type I error.

Question 17

With ____,the results are analyzed as if you had separate experiments at each level of the other independent variable,while _____ examines the effect of an independent variable irrespective of the levels of the other independent variable.

Accepted Answer

A)  a main effect;a simple main effect 
B)  an interaction;a main effect 
C)  an interaction;a simple main effect 
D)  a simple main effect;a main effect 
A)  a main effect;a simple main effect 
B)  an interaction;a main effect 
C)  an interaction;a simple main effect 
D)  a simple main effect;a main effect

Question 18

A researcher is interested in variables that may affect an individual's driving ability.He has people drive a course in wet,dry,or icy conditions.In addition,he has them drive a vehicle with or without power steering,and with an automatic or a manual transmission.In this design,there are ______ possible main effects and ______ possible interactions.

Accepted Answer

A)  2;2 
B)  3;4 
C)  3;12 
D)  2;3 
A)  2;2 
B)  3;4 
C)  3;12 
D)  2;3

Question 19

In an experiment that manipulates temperature of a room (warm or cold);difficulty of material (easy,difficult);and amount of material (low,moderate,high),which of the following statements applies to the design of this study?

Accepted Answer

A)  2 x 2 
B)  2 x 3 
C)  2 x 2 x 3 
D)  3 x 3 
A)  2 x 2 
B)  2 x 3 
C)  2 x 2 x 3 
D)  3 x 3

Question 20

A researcher is interested in variables that may affect an individual's driving ability.He has people drive a course in wet,dry,or icy conditions.In addition,he has them drive a vehicle with or without power steering,and with an automatic or a manual transmission.This design is an example of a ______ factorial.

Accepted Answer

A)  2 x 2 
B)  3 x 2 
C)  3 x 2 x 2 
D)  2 x 2 x 2 
A)  2 x 2 
B)  3 x 2 
C)  3 x 2 x 2 
D)  2 x 2 x 2

In a study examining the effect of room illumination (low,medium,high)and room temperature (cold,warm,hot)on test performance,how many main effects are possible?

In a study examining the effect of room illumination (low,medium,high)and room temperature (cold,warm,hot)on test performance,how many interactions are possible?

A study involves a 3 x 4 x 2 factorial design.How many independent variables are being studied?

A simple main effect analysis examines

In a factorial design,the effect of a moderating variable is revealed as a(n)

You design an experiment that manipulates the following variables: temperature (low or high);illumination level (low or high);and time of testing (day or night).For a completely repeated measures design,how many participants will you need to have 10 participants per condition?

In a factorial design,which variable influences the nature of the relationship between two other variables?

Which of the following is not true of a 2 x 2 interaction factorial design?

An IV x PV design has

A researcher examined judgments of responsibility for an automobile accident by manipulating the type of injuries received (none,mild,or severe)and the time of the accident (7 a.m. ,12 p.m. ,6 p.m. ,or 3 a.m. ).How many main effects are possible in this study?

In analyzing the interaction between age and gender,Reba finds a difference in hiring likelihood between young and old applicants when they are females.However,she finds no difference between young and old applicants when they are males.Based on the findings,Reba has examined the

Interactions are often discussed in terms of a moderator variable.A moderator variable

A researcher states that "anxiety decreased performance irrespective of the participants' motivation levels." This statement tells you that there was a(n)

With ,the results are analyzed as if you had separate experiments at each level of the other independent variable,while _ examines the effect of an independent variable irrespective of the levels of the other independent variable.

In an experiment that manipulates temperature of a room (warm or cold);difficulty of material (easy,difficult);and amount of material (low,moderate,high),which of the following statements applies to the design of this study?

Scientific Understanding of Behaviour

Where to Start

Ethical Research

Research Design Fundamentals

Measurement Concepts

Observational Methods

Asking People About Themselves: Survey Research

Experimental Design

Conducting Studies

Research Designs for Special Circumstances

Understanding Research Results: Describ-Ingvariables and Relationships Among Them

Understanding Research Results: Statistical-Inference Basics

Generalizing Results

Filters

Exam 10: Complex Experimental Designs

In a study examining the effect of room illumination (low,medium,high)and room temperature (cold,warm,hot)on test performance,how many main effects are possible?

In a study examining the effect of room illumination (low,medium,high)and room temperature (cold,warm,hot)on test performance,how many interactions are possible?

A study involves a 3 x 4 x 2 factorial design.How many independent variables are being studied?

A simple main effect analysis examines

In a factorial design,the effect of a moderating variable is revealed as a(n)

You design an experiment that manipulates the following variables: temperature (low or high);illumination level (low or high);and time of testing (day or night).For a completely repeated measures design,how many participants will you need to have 10 participants per condition?

In a factorial design,which variable influences the nature of the relationship between two other variables?

Which of the following is not true of a 2 x 2 interaction factorial design?

An IV x PV design has

A researcher examined judgments of responsibility for an automobile accident by manipulating the type of injuries received (none,mild,or severe)and the time of the accident (7 a.m. ,12 p.m. ,6 p.m. ,or 3 a.m. ).How many main effects are possible in this study?

In analyzing the interaction between age and gender,Reba finds a difference in hiring likelihood between young and old applicants when they are females.However,she finds no difference between young and old applicants when they are males.Based on the findings,Reba has examined the

Interactions are often discussed in terms of a moderator variable.A moderator variable

A researcher states that "anxiety decreased performance irrespective of the participants' motivation levels." This statement tells you that there was a(n)

With ____,the results are analyzed as if you had separate experiments at each level of the other independent variable,while _____ examines the effect of an independent variable irrespective of the levels of the other independent variable.

In an experiment that manipulates temperature of a room (warm or cold);difficulty of material (easy,difficult);and amount of material (low,moderate,high),which of the following statements applies to the design of this study?

Scientific Understanding of Behaviour

Where to Start

Ethical Research

Research Design Fundamentals

Measurement Concepts

Observational Methods

Asking People About Themselves: Survey Research

Experimental Design

Conducting Studies

Research Designs for Special Circumstances

Understanding Research Results: Describ-Ingvariables and Relationships Among Them

Understanding Research Results: Statistical-Inference Basics

Generalizing Results

Filters

With ,the results are analyzed as if you had separate experiments at each level of the other independent variable,while _ examines the effect of an independent variable irrespective of the levels of the other independent variable.