Question 1

_____ provides insight into the reliability of a particular measure for a given sample.

Accepted Answer

A)  Cohen's d 
B)  Cronbach's alpha 
C)  Jaccard's J 
D)  The kappa coefficient 
A)  Cohen's d 
B)  Cronbach's alpha 
C)  Jaccard's J 
D)  The kappa coefficient

Question 2

A 2010 study examining whether clean scents promote reciprocity and charity found:

Accepted Answer

A)  participants in a clean smelling room gave more money to a partner,took more flyers related to volunteering efforts,and were more willing to donate more money than those in a room without a scent. 
B)  participants in a room with no noticeable scent room gave more money to a partner,took more flyers related to volunteering efforts,and were more willing to donate more money than those in a room with a clean scent. 
C)  participants in a clean smelling room gave less money to a partner,took less flyers related to volunteering efforts,but were more willing to donate more money than those in a room without a scent. 
D)  participants in a clean smelling room gave more money to a partner,but took less flyers related to volunteering efforts,and were less willing to donate more money than those in a room without a scent. 
A)  participants in a clean smelling room gave more money to a partner,took more flyers related to volunteering efforts,and were more willing to donate more money than those in a room without a scent. 
B)  participants in a room with no noticeable scent room gave more money to a partner,took more flyers related to volunteering efforts,and were more willing to donate more money than those in a room with a clean scent. 
C)  participants in a clean smelling room gave less money to a partner,took less flyers related to volunteering efforts,but were more willing to donate more money than those in a room without a scent. 
D)  participants in a clean smelling room gave more money to a partner,but took less flyers related to volunteering efforts,and were less willing to donate more money than those in a room without a scent.

Question 3

Dr.Neff conducted a chi-square test of independence between conditions to determine if the distribution among 200 participants was as expected.Dr.Neff was studying sleep cycles for various age groups with and without sleep apnea.Dr.Neff's results yielded a significant result.Which of the following would be the most accurate results write-up for a chi-square test of independence?

Accepted Answer

A)  d(3,200)= 13.49,p = .01 
B)  $\chi$2(3,200)= 13.49,p = .55,eta2 = .30 
C)  $\chi$2 (3,200)= 13.49,p = .01,ᶲ = .22 
D)  F(3,200)= 13.49,p = .42,eta2 = .02 
A)  d(3,200)= 13.49,p = .01 
B)  $\chi$2(3,200)= 13.49,p = .55,eta2 = .30 
C)  $\chi$2 (3,200)= 13.49,p = .01,ᶲ = .22 
D)  F(3,200)= 13.49,p = .42,eta2 = .02

Question 4

Prior to completing any statistical analyses regarding a study's hypotheses it is important to calculate the _____ for each scale used.

Accepted Answer

A)  Cohen's d 
B)  point biserial correlation 
C)  Cronbach's alpha 
D)  kappa coefficient 
A)  Cohen's d 
B)  point biserial correlation 
C)  Cronbach's alpha 
D)  kappa coefficient

Question 5

Dr.Nixon noted the following results: $\chi$2(6,N= 422)= 10.72,p = .001,ᶲ = .20.Which of the following numbers represents the significance level in this results write-up?

Accepted Answer

A)  422 
B)  .001 
C)  10.72 
D)  .20 
A)  422 
B)  .001 
C)  10.72 
D)  .20

Question 6

Dr.Balin is interested in studying the association between food preferences among 5-year-old to 55-year-old males and females,specifically examining four different levels of food preferences: sweet,salty,sour,and bitter.Dr.Balin is likely to find what type of relationship?

Accepted Answer

A)  linear relationship 
B)  quadratic function 
C)  polynomial regression 
D)  functional relationship 
A)  linear relationship 
B)  quadratic function 
C)  polynomial regression 
D)  functional relationship

Question 7

Dr.Hsu conducted a one-way ANOVA on a set of data examining digestive reaction to the smell of food and watching food preparation.Dr.Hsu had multiple experimental conditions.Dr.Hsu's one-way ANOVA yielded significant results,but the analysis was not able to tell him where the specific differences existed.Dr.Hsu will need to follow-up with what analysis to test all possible combinations of the conditions?

Accepted Answer

A)  matched samples test 
B)  planned contrasts 
C)  independent sample t test 
D)  post-hoc analyses 
A)  matched samples test 
B)  planned contrasts 
C)  independent sample t test 
D)  post-hoc analyses

Question 8

Dr.Crouse made specific predictions in the development phase of his study regarding which comparisons between conditions would yield significant results.Dr.Crouse conducted _____ to produce such data.

Accepted Answer

A)  planned contrasts 
B)  post-hoc analyses 
C)  an independent samples t test 
D)  a paired samples t test 
A)  planned contrasts 
B)  post-hoc analyses 
C)  an independent samples t test 
D)  a paired samples t test

Question 9

Mr.McGrew is interested in the various types of butterflies throughout the United States.He is most interested in the differences among butterflies with origins in New England,the gulf states,the midwestern states,and the western states.Mr.McGrew is using a:

Accepted Answer

A)  case study design. 
B)  factorial design. 
C)  matched pair design. 
D)  multigroup design. 
A)  case study design. 
B)  factorial design. 
C)  matched pair design. 
D)  multigroup design.

Question 10

The results of a one-way ANOVA suggest that the participants' fear response was differentially effected depending on their respective condition: spiders (M = 44;SD = 4.20),snakes (M = 62;SD = 7.1),and dogs (M = 21;SD = 2.20).There was a significant difference F (2,92)= .67,p = .03.Based on this information what was the within-subjects degrees of freedom?

Accepted Answer

A)  21 
B)  92 
C)  2 
D)  .67 
A)  21 
B)  92 
C)  2 
D)  .67

Question 11

Which of the following is the appropriate sequence of steps in carrying out a study?

Accepted Answer

A)  proceed with manipulation,obtain informed consent,complete dependent measures 
B)  obtain informed consent,proceed with manipulation,complete dependent measures 
C)  complete dependent measures,obtain informed consent,proceed with manipulation 
D)  complete dependent measures,proceed with manipulation,obtain informed consent 
A)  proceed with manipulation,obtain informed consent,complete dependent measures 
B)  obtain informed consent,proceed with manipulation,complete dependent measures 
C)  complete dependent measures,obtain informed consent,proceed with manipulation 
D)  complete dependent measures,proceed with manipulation,obtain informed consent

Question 12

A 2008 study examining the experience of physical warmth on the promotion of interpersonal warmth found:

Accepted Answer

A)  those who held the hot cup rated the other person's personality less favorably. 
B)  those who held the hot cup rated the other person's personality more favorably. 
C)  those who held the cold cup rated the other person's personality more favorably. 
D)  there was no difference among participants who held the hot or cold cup with regard to their ratings. 
A)  those who held the hot cup rated the other person's personality less favorably. 
B)  those who held the hot cup rated the other person's personality more favorably. 
C)  those who held the cold cup rated the other person's personality more favorably. 
D)  there was no difference among participants who held the hot or cold cup with regard to their ratings.

Question 13

Jayna recently participated in a study at the local university hospital.As she was waiting in the study's waiting room the staff approached her and apologized for the temperature in the room.She was informed that the temperature of the waiting room would continue to increase because the thermostat was broken and scheduled to be fixed later that week.Researchers provided her with cold beverages and warm beverages as she waited and had her complete some measures while she was waiting to be called.Little did Jayna know that she was already part of the study.There was nothing wrong with the waiting room's temperature and researchers monitored the numbers of beverages she drank and found that she only had cold beverages and noted multiple times how hot and uncomfortable the room was.Jayna was most likely in the:

Accepted Answer

A)  placebo group. 
B)  empty control group. 
C)  experimental group. 
D)  baseline group. 
A)  placebo group. 
B)  empty control group. 
C)  experimental group. 
D)  baseline group.

Question 14

To determine if food allergies influences participants' taste pallet,researchers conducted a chi-square test of independence between conditions .Based on this information what is the chi-square score for those in the gluten allergy condition compared with others for this study?

Accepted Answer

A)  .001 
B)  10.72 
C)  10.09 
D)  .30 
A)  .001 
B)  10.72 
C)  10.09 
D)  .30

Question 15

Dr.Primrose is studying sleep disturbances among young adults and conducts experiments at different times during the night for each patient and monitors their sleep patterns at different points in their sleep cycles.Without realizing it Dr.Primrose has introduced:

Accepted Answer

A)  confounds. 
B)  practice effects. 
C)  cohort effects. 
D)  maturation effects. 
A)  confounds. 
B)  practice effects. 
C)  cohort effects. 
D)  maturation effects.

Question 16

Self-report measures could unintentionally introduce all of the following into a study,EXCEPT:

Accepted Answer

A)  social desirability. 
B)  hypothesis-guessing. 
C)  demand characteristics. 
D)  systematic error. 
A)  social desirability. 
B)  hypothesis-guessing. 
C)  demand characteristics. 
D)  systematic error.

Question 17

Dr.Lumen's recent findings support the notion that his null hypothesis is false.This would suggest that Dr.Lumen's study:

Accepted Answer

A)  had a low degree of power. 
B)  had a moderate to high degree of power. 
C)  had an absence of power. 
D)  did not yield any significant results. 
A)  had a low degree of power. 
B)  had a moderate to high degree of power. 
C)  had an absence of power. 
D)  did not yield any significant results.

Question 18

Ricardo develops a research study to help answer his research question: Do individuals in the northeast part of the United States have a different dialect than individuals in the southern part of the United States? He interviews individuals from Louisiana and Mississippi as well as from Maine and New Hampshire.He is interested in studying their dialects.He interviews 30 individuals in each of two age groups: 15-30 years of age and 31-75 years of age.He has all participants read and record a preselected passage three times.He then codes their dialects based on a coding system and has two other researchers code the dialects as well.Based on this information which of the following would be considered the independent variable (IV)?

Accepted Answer

A)  geographic origin 
B)  gender of participants 
C)  dialect 
D)  coding of responses 
A)  geographic origin 
B)  gender of participants 
C)  dialect 
D)  coding of responses

Question 19

Ricardo develops a research study to help answer his research question: Do individuals in the northeast part of the United States have a different dialect than individuals in the southern part of the United States? He interviews individuals from Louisiana and Mississippi as well as from Maine and New Hampshire.He is interested in studying their dialects.He interviews 30 individuals in each of two age groups: 15-30 years of age and 31-75 years of age.He has all participants read and record a preselected passage three times.He then codes their dialects based on a coding system and has two other researchers code the dialects as well.Based on this information which of the following would be considered the dependent variable (DV)?

Accepted Answer

A)  geographic origin 
B)  gender of participants 
C)  dialect coding 
D)  age of participants 
A)  geographic origin 
B)  gender of participants 
C)  dialect coding 
D)  age of participants

Question 20

A 2010 study investigating whether darkness increases dishonesty and self-interested behavior while completing a math task found:

Accepted Answer

A)  participants who wore clear glasses performed better than those who wore sunglasses. 
B)  participants who wore sunglasses performed better than those who wore clear glasses. 
C)  participants who wore sunglasses shared less money with their partner in a game than participants who wore clear glasses. 
D)  participants who wore clear glasses shared less money with their partner in a game than participants who wore sunglasses. 
A)  participants who wore clear glasses performed better than those who wore sunglasses. 
B)  participants who wore sunglasses performed better than those who wore clear glasses. 
C)  participants who wore sunglasses shared less money with their partner in a game than participants who wore clear glasses. 
D)  participants who wore clear glasses shared less money with their partner in a game than participants who wore sunglasses.

Exam 9: B: Multi-Group Design: Im Feeling Hot, but Is the Earth Hot, Too

_____ provides insight into the reliability of a particular measure for a given sample.

A 2010 study examining whether clean scents promote reciprocity and charity found:

Prior to completing any statistical analyses regarding a study's hypotheses it is important to calculate the _____ for each scale used.

Dr.Nixon noted the following results: χ\chiχ 2(6,N= 422)= 10.72,p = .001,ᶲ = .20.Which of the following numbers represents the significance level in this results write-up?

Dr.Balin is interested in studying the association between food preferences among 5-year-old to 55-year-old males and females,specifically examining four different levels of food preferences: sweet,salty,sour,and bitter.Dr.Balin is likely to find what type of relationship?

Dr.Crouse made specific predictions in the development phase of his study regarding which comparisons between conditions would yield significant results.Dr.Crouse conducted _____ to produce such data.

Mr.McGrew is interested in the various types of butterflies throughout the United States.He is most interested in the differences among butterflies with origins in New England,the gulf states,the midwestern states,and the western states.Mr.McGrew is using a:

Which of the following is the appropriate sequence of steps in carrying out a study?

A 2008 study examining the experience of physical warmth on the promotion of interpersonal warmth found:

To determine if food allergies influences participants' taste pallet,researchers conducted a chi-square test of independence between conditions .Based on this information what is the chi-square score for those in the gluten allergy condition compared with others for this study?

Dr.Primrose is studying sleep disturbances among young adults and conducts experiments at different times during the night for each patient and monitors their sleep patterns at different points in their sleep cycles.Without realizing it Dr.Primrose has introduced:

Self-report measures could unintentionally introduce all of the following into a study,EXCEPT:

Dr.Lumen's recent findings support the notion that his null hypothesis is false.This would suggest that Dr.Lumen's study:

A 2010 study investigating whether darkness increases dishonesty and self-interested behavior while completing a math task found:

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

B: 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

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

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

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

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

Factorial Design: Part 1

Factorial Design: Part 2

Dr.Nixon noted the following results: $\chi$ ²(6,N= 422)= 10.72,p = .001,ᶲ = .20.Which of the following numbers represents the significance level in this results write-up?