Question 1

Each of the following makes a measure more sensitive,EXCEPT:

Accepted Answer

A)  adding more questions. 
B)  removing questions. 
C)  making the rating scale more diverse. 
D)  making questions more difficult. 
A)  adding more questions. 
B)  removing questions. 
C)  making the rating scale more diverse. 
D)  making questions more difficult.

Question 2

Failing to find a significant difference between the experimental and control groups on variables that examine alternative explanations means:

Accepted Answer

A)  these variables are responsible for any observed group differences. 
B)  these variables are not responsible for any observed group differences. 
C)  the independent variable is responsible for any observed group differences. 
D)  the independent variable is not responsible for any observed group differences. 
A)  these variables are responsible for any observed group differences. 
B)  these variables are not responsible for any observed group differences. 
C)  the independent variable is responsible for any observed group differences. 
D)  the independent variable is not responsible for any observed group differences.

Question 3

Which of the following is an acceptable manner for randomly assigning participants to groups?

Accepted Answer

A)  allowing participants to self-select into condition 
B)  separating by gender 
C)  assigning by age 
D)  flipping a coin 
A)  allowing participants to self-select into condition 
B)  separating by gender 
C)  assigning by age 
D)  flipping a coin

Question 4

A confederate is:

Accepted Answer

A)  the researcher's collaborator from another university. 
B)  an unknowing participant. 
C)  a participant who creates difficulty with a study and whose data must ultimately be removed before analyses. 
D)  an accomplice of the experimenter who helps to administer the study by pretending to act as a participant. 
A)  the researcher's collaborator from another university. 
B)  an unknowing participant. 
C)  a participant who creates difficulty with a study and whose data must ultimately be removed before analyses. 
D)  an accomplice of the experimenter who helps to administer the study by pretending to act as a participant.

Question 5

An important condition for establishing causation is covariation.This is:

Accepted Answer

A)  a statistical measure of the magnitude of the difference between comparison groups. 
B)  the degree to which a study parallels the real world. 
C)  the degree to which researchers can rule out other possible causal explanations for an observed relationship. 
D)  when changes in one variable are associated with changes in another variable. 
A)  a statistical measure of the magnitude of the difference between comparison groups. 
B)  the degree to which a study parallels the real world. 
C)  the degree to which researchers can rule out other possible causal explanations for an observed relationship. 
D)  when changes in one variable are associated with changes in another variable.

Question 6

Compared with participants in the control condition,participants in the experimental condition should be:

Accepted Answer

A)  older. 
B)  wealthier. 
C)  smarter. 
D)  essentially the same. 
A)  older. 
B)  wealthier. 
C)  smarter. 
D)  essentially the same.

Question 7

A self-report measure may be inappropriate when the experimenter has concerns about:

Accepted Answer

A)  covariation. 
B)  mundane realism. 
C)  external validity. 
D)  social desirability bias. 
A)  covariation. 
B)  mundane realism. 
C)  external validity. 
D)  social desirability bias.

Question 8

_____ is the magnitude of difference between the experimental and control groups.

Accepted Answer

A)  Statistical significance 
B)  Effect size 
C)  Sample size 
D)  Error variance 
A)  Statistical significance 
B)  Effect size 
C)  Sample size 
D)  Error variance

Question 9

Kimberly wants to know whether running on a treadmill leads to more weight loss than running outside.To test this hypothesis,she randomly assigns participants to either run on a treadmill or run on an outdoor trail.She then measures their weight loss.Would it be appropriate for her to analyze her data using an independent samples t-test?

Accepted Answer

A)  No,because she is measuring a naturally occurring relationship. 
B)  Perhaps,but only if she has an adequate number of participants. 
C)  No,because she fails to manipulate the independent variable. 
D)  Yes,because this is a two-group experimental design. 
A)  No,because she is measuring a naturally occurring relationship. 
B)  Perhaps,but only if she has an adequate number of participants. 
C)  No,because she fails to manipulate the independent variable. 
D)  Yes,because this is a two-group experimental design.

Question 10

Confederates can be used to increase:

Accepted Answer

A)  effect size. 
B)  independence. 
C)  experimental control. 
D)  covariation. 
A)  effect size. 
B)  independence. 
C)  experimental control. 
D)  covariation.

Question 11

What is the goal of random assignment?

Accepted Answer

A)  to create two samples that are roughly equal 
B)  to create two samples that are not equal 
C)  to create two populations that are roughly equal 
D)  to create two populations that are not equal 
A)  to create two samples that are roughly equal 
B)  to create two samples that are not equal 
C)  to create two populations that are roughly equal 
D)  to create two populations that are not equal

Question 12

The _____ sensitive a measure is,the _____ ability it has to detect a difference between the experimental and control group.

Accepted Answer

A)  more;less 
B)  less;less 
C)  more;more 
D)  less;more 
A)  more;less 
B)  less;less 
C)  more;more 
D)  less;more

Question 13

Riya is examining whether exposure to sunlight will minimize the depressive symptoms associated with seasonal affective disorder (SAD).Her study design requires participants to sit outside in direct sunlight rather than use sunlamps because this gives her study more:

Accepted Answer

A)  mundane realism. 
B)  statistical significance. 
C)  internal validity. 
D)  experimental control. 
A)  mundane realism. 
B)  statistical significance. 
C)  internal validity. 
D)  experimental control.

Question 14

Wanda is a dance teacher who wants to investigate whether room color affects students' memories of complex choreography.She teaches two identical classes,one in a blue room and one in a red room.In this study,the independent variable is _____,whereas the dependent variable is _____.

Accepted Answer

A)  room color;memory of choreography 
B)  memory of choreography;room color 
C)  room color;type of dance class 
D)  type of dance class;memory of choreography 
A)  room color;memory of choreography 
B)  memory of choreography;room color 
C)  room color;type of dance class 
D)  type of dance class;memory of choreography

Question 15

Which of the following is true about experimental results?

Accepted Answer

A)  A statistically significant finding means the study had no limitations. 
B)  A large effect size means the study had no limitations. 
C)  All experimental studies have limitations. 
D)  Experimental results have greater external validity than nonexperimental results. 
A)  A statistically significant finding means the study had no limitations. 
B)  A large effect size means the study had no limitations. 
C)  All experimental studies have limitations. 
D)  Experimental results have greater external validity than nonexperimental results.

Question 16

Charles works at a newspaper as a fact-checker.His job is to verify claims to ensure that any conclusions made by the reporters are,in fact,correct.Charles is the metaphorical _____ of the newspaper.

Accepted Answer

A)  manipulation check 
B)  measure of effect size 
C)  internal validity 
D)  check of mundane realism 
A)  manipulation check 
B)  measure of effect size 
C)  internal validity 
D)  check of mundane realism

Question 17

In experimental studies examining the effectiveness of new medications,researchers often administer a placebo (an inactive substance that should have no medical effect on the participant).Giving a placebo to participants in the control condition increases:

Accepted Answer

A)  external validity. 
B)  internal validity. 
C)  independence. 
D)  extraneous variables. 
A)  external validity. 
B)  internal validity. 
C)  independence. 
D)  extraneous variables.

Question 18

Charlie's investigation of the relationship between length of commute to work and blood pressure revealed a significant causal effect of time spent commuting on elevated blood pressure.Which of the following could represent this finding?

Accepted Answer

A)  t(45)= 4.21,p = .61,d = .19. 
B)  t(45)=7.53,p = .04,d = .65. 
C)  t(45)= 2.72,p = .10,d = .23. 
D)  t(45)= 3.99,p = .08,d = .31. 
A)  t(45)= 4.21,p = .61,d = .19. 
B)  t(45)=7.53,p = .04,d = .65. 
C)  t(45)= 2.72,p = .10,d = .23. 
D)  t(45)= 3.99,p = .08,d = .31.

Question 19

The _____ experimental control a study has,the _____ internal validity it has.

Accepted Answer

A)  more;less 
B)  less;less 
C)  more;more 
D)  less;more 
A)  more;less 
B)  less;less 
C)  more;more 
D)  less;more

Question 20

Isabel would like for her experiment to have as much experimental realism as possible.Accordingly,when examining the impact of fear on memory,she uses _____ to induce participants' fear.

Accepted Answer

A)  pictures of a snake 
B)  a video of a snake 
C)  an actual snake 
D)  visualization of a snake 
A)  pictures of a snake 
B)  a video of a snake 
C)  an actual snake 
D)  visualization of a snake

Exam 8: B: Two-Group Design: Texting: I Cant Get You Out of My Mind

Each of the following makes a measure more sensitive,EXCEPT:

Failing to find a significant difference between the experimental and control groups on variables that examine alternative explanations means:

Which of the following is an acceptable manner for randomly assigning participants to groups?

A confederate is:

An important condition for establishing causation is covariation.This is:

Compared with participants in the control condition,participants in the experimental condition should be:

A self-report measure may be inappropriate when the experimenter has concerns about:

_____ is the magnitude of difference between the experimental and control groups.

Confederates can be used to increase:

What is the goal of random assignment?

The _____ sensitive a measure is,the _____ ability it has to detect a difference between the experimental and control group.

Riya is examining whether exposure to sunlight will minimize the depressive symptoms associated with seasonal affective disorder (SAD).Her study design requires participants to sit outside in direct sunlight rather than use sunlamps because this gives her study more:

Wanda is a dance teacher who wants to investigate whether room color affects students' memories of complex choreography.She teaches two identical classes,one in a blue room and one in a red room.In this study,the independent variable is _____,whereas the dependent variable is _____.

Which of the following is true about experimental results?

Charles works at a newspaper as a fact-checker.His job is to verify claims to ensure that any conclusions made by the reporters are,in fact,correct.Charles is the metaphorical _____ of the newspaper.

In experimental studies examining the effectiveness of new medications,researchers often administer a placebo (an inactive substance that should have no medical effect on the participant).Giving a placebo to participants in the control condition increases:

Charlie's investigation of the relationship between length of commute to work and blood pressure revealed a significant causal effect of time spent commuting on elevated blood pressure.Which of the following could represent this finding?

The _____ experimental control a study has,the _____ internal validity it has.

Isabel would like for her experiment to have as much experimental realism as possible.Accordingly,when examining the impact of fear on memory,she uses _____ to induce participants' fear.

A: Psychology As Science: Thinking Like a Researcher

B: Psychology As Science: Thinking Like a Researcher

C: Psychology As Science: Thinking Like a Researcher

D: Psychology As Science: Thinking Like a Researcher

Psychology As Science: Part 1

Psychology As Science: Part 2

A: The Research Process: Ideas to Innovations

B: The Research Process: Ideas to Innovations

C: The Research Process: Ideas to Innovations

D: The Research Process: Ideas to Innovations

The Research Process: Part 1

The Research Process: Part 2

A: Ethics: Making Ethical Decisions in Research

B: Ethics: Making Ethical Decisions in Research

C: Ethics: Making Ethical Decisions in Research

D: Ethics: Making Ethical Decisions in Research

Ethics: Part 1

Ethics: Part 2

A: The Psychologists Toolbox: Tools for Building Better Designs

B: The Psychologists Toolbox: Tools for Building Better Designs

C: The Psychologists Toolbox: Tools for Building Better Designs

D: The Psychologists Toolbox: Tools for Building Better Designs

The Psychologists: Part 1

The Psychologists: Part 2

A: Qualitative Research: Getting Into the Mind of a Serial Killer

B: Qualitative Research: Getting Into the Mind of a Serial Killer

C: Qualitative Research: Getting Into the Mind of a Serial Killer

D: Qualitative Research: Getting Into the Mind of a Serial Killer

Qualitative Research: Part 1

Qualitative Research: Part 2

A: Observational Research: The Many Forms of Discipline in Parents Bag of Tricks

B: Observational Research: The Many Forms of Discipline in Parents Bag of Tricks

C: Observational Research: The Many Forms of Discipline in Parents Bag of Tricks

D: Observational Research: The Many Forms of Discipline in Parents Bag of Tricks

Observational Research: Part 1

Observational Research: Part 2

A: Survey Design and Scale Construction: Is Going Greek a Great Idea

B: Survey Design and Scale Construction: Is Going Greek a Great Idea

C: Survey Design and Scale Construction: Is Going Greek a Great Idea

D: Survey Design and Scale Construction: Is Going Greek a Great Idea

Survey Design and Scale Construction: Part 1

Survey Design and Scale Construction: Part 2

A: Two-Group Design: Texting: I Cant Get You Out of My Mind

C: Two-Group Design: Texting: I Cant Get You Out of My Mind

D: Two-Group Design: Texting: I Cant Get You Out of My Mind

Two-Group Design: Part 1

Two-Group Design: Part 2

A: Multi-Group Design: Im Feeling Hot, but Is the Earth Hot, Too

B: Multi-Group Design: Im Feeling Hot, but Is the Earth Hot, Too

C: Multi-Group Design: Im Feeling Hot, but Is the Earth Hot, Too

D: Multi-Group Design: Im Feeling Hot, but Is the Earth Hot, Too

Multi-Group Design: Part 1

Multi-Group Design: Part 2

A: Within-Subjects Designs: Can Watching Reality Tv Shows Be Good for Us

B: Within-Subjects Designs: Can Watching Reality Tv Shows Be Good for Us

C: Within-Subjects Designs: Can Watching Reality Tv Shows Be Good for Us

D: Within-Subjects Designs: Can Watching Reality Tv Shows Be Good for Us

Within-Subjects Designs: Part 1

Within-Subjects Designs: Part 2

A: Factorial Design: I Lost My Phone Number, Can I Borrow Yours Do Pickup Lines Really Work

The _ sensitive a measure is,the _ ability it has to detect a difference between the experimental and control group.

Wanda is a dance teacher who wants to investigate whether room color affects students' memories of complex choreography.She teaches two identical classes,one in a blue room and one in a red room.In this study,the independent variable is _,whereas the dependent variable is _.

The _ experimental control a study has,the _ internal validity it has.