Question 1

If you decrease your alpha level from .05 to .01, you have

Accepted Answer

A)  Also decreased the power of the test 
B)  Increased the probability that you will make a Type I error 
C)  Altered your effect size 
D)  Effectively decided to test more people 
A)  Also decreased the power of the test 
B)  Increased the probability that you will make a Type I error 
C)  Altered your effect size 
D)  Effectively decided to test more people

Question 2

The probability of rejecting the null hypothesis when it is false is called

Accepted Answer

A)  Alpha 
B)  Type I error 
C)  Type II error 
D)  Power 
A)  Alpha 
B)  Type I error 
C)  Type II error 
D)  Power

Question 3

Which of the following is a theory-level hypothesis?

Accepted Answer

A)  In people, social pain is processed by the brain similarly to physical pain 
B)  People experiencing a particular type of social pain will respond to pain relievers that reduce physical pain 
C)  People experiencing a particular type of social pain will not respond to pain relievers that reduce physical pain 
D)  People who are experiencing social pain in the lab may also have positive and negative events that occur outside the lab. 
A)  In people, social pain is processed by the brain similarly to physical pain 
B)  People experiencing a particular type of social pain will respond to pain relievers that reduce physical pain 
C)  People experiencing a particular type of social pain will not respond to pain relievers that reduce physical pain 
D)  People who are experiencing social pain in the lab may also have positive and negative events that occur outside the lab.

Question 4

The larger the sampling size for a sampling distribution

Accepted Answer

A)  The more skewed the data 
B)  The more the shape approaches the normal distribution 
C)  The less easy it is to calculate the standard error 
D)  The higher the variability 
A)  The more skewed the data 
B)  The more the shape approaches the normal distribution 
C)  The less easy it is to calculate the standard error 
D)  The higher the variability

Question 5

Statistical significance

Accepted Answer

A)  Is the probability that an experimental result happened by chance 
B)  Means that there is no danger of a Type II error 
C)  Means that Type I errors have been eliminated 
D)  Means that the alternative hypothesis is true 
A)  Is the probability that an experimental result happened by chance 
B)  Means that there is no danger of a Type II error 
C)  Means that Type I errors have been eliminated 
D)  Means that the alternative hypothesis is true

Question 6

Chance can affect the data in an experiment

Accepted Answer

A)  Through the choice of statistics 
B)  By producing differences between the means of the conditions 
C)  But does not alter variability levels 
D)  But paradoxically reduces variability 
A)  Through the choice of statistics 
B)  By producing differences between the means of the conditions 
C)  But does not alter variability levels 
D)  But paradoxically reduces variability

Question 7

An experiment is conducted to investigate the effects of three different doses of a drug low, medium, high) on reaction time. The null hypothesis is that

Accepted Answer

A)  The low dose leads to faster reaction times 
B)  The high dose leads to faster reaction times 
C)  There is no difference between the reaction times associated with the three doses 
D)  There is a difference between the reaction times associated with the three doses 
A)  The low dose leads to faster reaction times 
B)  The high dose leads to faster reaction times 
C)  There is no difference between the reaction times associated with the three doses 
D)  There is a difference between the reaction times associated with the three doses

Question 8

The _________ hypothesis covers all possible exceptions to the research hypothesis

Accepted Answer

A)  Alternative 
B)  Theory-level 
C)  Null 
D)  Correct 
A)  Alternative 
B)  Theory-level 
C)  Null 
D)  Correct

Question 9

Which of the following is the best example of a sample?

Accepted Answer

A)  All college sophomores 
B)  All people who live in the United States 
C)  Everyone who attends State University 
D)  100 tosses of a pair of dice 
A)  All college sophomores 
B)  All people who live in the United States 
C)  Everyone who attends State University 
D)  100 tosses of a pair of dice

Question 10

In a one-way ANOVA

Accepted Answer

A)  There is only between-group variability 
B)  There is only within-groups variability 
C)  There are only two levels to any independent variable 
D)  There is only one independent variable 
A)  There is only between-group variability 
B)  There is only within-groups variability 
C)  There are only two levels to any independent variable 
D)  There is only one independent variable

Question 11

A corporation is concerned about the color of a new plastic toy product, and is torn between making it in pink or in blue. So the consumer psychologists at the corporation recruit a wide variety of children, show them the toy in both colors, and ask them to choose the one that they like best. How should the consumer psychologist analyze their data?

Accepted Answer

A)  A Chi-Square 
B)  A t-test 
C)  A reliability index 
D)  An ANOVA 
A)  A Chi-Square 
B)  A t-test 
C)  A reliability index 
D)  An ANOVA

Question 12

No matter what the design of the experiment, an ANOVA table will always contain

Accepted Answer

A)  An interaction term 
B)  The standard deviation 
C)  A row in the table for each source of variance 
D)  A column listing the mean 
A)  An interaction term 
B)  The standard deviation 
C)  A row in the table for each source of variance 
D)  A column listing the mean

Question 13

Which of the following is the best example of a population?

Accepted Answer

A)  100 randomly selected people 
B)  All people who live in the United States 
C)  Twenty percent of the people at State University 
D)  100 tosses of a pair of dice 
A)  100 randomly selected people 
B)  All people who live in the United States 
C)  Twenty percent of the people at State University 
D)  100 tosses of a pair of dice

Question 14

Dr. Kurtz conducts an experiment to see if the odor of peppermint causes people to walk around a track more quickly than if they smell lavender or no odor at all. The null hypothesis would be that

Accepted Answer

A)  The mean speed of the peppermint condition is the fastest of the three conditions 
B)  The mean speed of the no odor condition is the fastest of the three conditions 
C)  One of the conditions is faster than the others 
D)  There is no difference in the mean speeds of the three conditions 
A)  The mean speed of the peppermint condition is the fastest of the three conditions 
B)  The mean speed of the no odor condition is the fastest of the three conditions 
C)  One of the conditions is faster than the others 
D)  There is no difference in the mean speeds of the three conditions

Question 15

________ was developed to make it possible to test the null hypothesis that there is no difference between a number of conditions

Accepted Answer

A)  Alpha 
B)  ANOVA 
C)  Power 
D)  Correlation 
A)  Alpha 
B)  ANOVA 
C)  Power 
D)  Correlation

If you decrease your alpha level from .05 to .01, you have

The probability of rejecting the null hypothesis when it is false is called

Which of the following is a theory-level hypothesis?

The larger the sampling size for a sampling distribution

Statistical significance

Chance can affect the data in an experiment

An experiment is conducted to investigate the effects of three different doses of a drug low, medium, high) on reaction time. The null hypothesis is that

The _________ hypothesis covers all possible exceptions to the research hypothesis

Which of the following is the best example of a sample?

In a one-way ANOVA

No matter what the design of the experiment, an ANOVA table will always contain

Which of the following is the best example of a population?

Dr. Kurtz conducts an experiment to see if the odor of peppermint causes people to walk around a track more quickly than if they smell lavender or no odor at all. The null hypothesis would be that

________ was developed to make it possible to test the null hypothesis that there is no difference between a number of conditions

Psychology and Science

Developing a Research Question

Ethics in Research

Writing in Psychology

Variables

Validity

Control

Nonexperimental Research, Part I: Observational,

Nonexperimental Research, Part Ii

True Experiments, Part 1 Single-Factor Designs

True Experiments, Part 2 Factorial Designs

Single Subject Experiments

Quasi Experiments

Data Exploration, Part 1: Graphic and Descriptive Techniques

Epilogue Biases and Limitations of Experimental Psychology

Filters

Exam 15: Data Exploration, Part 2: Inferential Statistics

If you decrease your alpha level from .05 to .01, you have

The probability of rejecting the null hypothesis when it is false is called

Which of the following is a theory-level hypothesis?

The larger the sampling size for a sampling distribution

Statistical significance

Chance can affect the data in an experiment

An experiment is conducted to investigate the effects of three different doses of a drug low, medium, high) on reaction time. The null hypothesis is that

The _________ hypothesis covers all possible exceptions to the research hypothesis

Which of the following is the best example of a sample?

In a one-way ANOVA

No matter what the design of the experiment, an ANOVA table will always contain

Which of the following is the best example of a population?

Dr. Kurtz conducts an experiment to see if the odor of peppermint causes people to walk around a track more quickly than if they smell lavender or no odor at all. The null hypothesis would be that

________ was developed to make it possible to test the null hypothesis that there is no difference between a number of conditions

Psychology and Science

Developing a Research Question

Ethics in Research

Writing in Psychology

Variables

Validity

Control

Nonexperimental Research, Part I: Observational,

Nonexperimental Research, Part Ii

True Experiments, Part 1 Single-Factor Designs

True Experiments, Part 2 Factorial Designs

Single Subject Experiments

Quasi Experiments

Data Exploration, Part 1: Graphic and Descriptive Techniques

Epilogue Biases and Limitations of Experimental Psychology

Filters