Question 1

Statistical control is

Accepted Answer

A)  a way of equating subjects on paper that are actually not equal 
B)  the same as randomization 
C)  generally preferable to experimental control 
D)  All of these are true. 
A)  a way of equating subjects on paper that are actually not equal 
B)  the same as randomization 
C)  generally preferable to experimental control 
D)  All of these are true. A

Question 2

Skinner emphasized which aspect of control?

Accepted Answer

A)  reduction of variability 
B)  providing a standard of comparison 
C)  using groups of subjects 
D)  using statistical control 
A)  reduction of variability 
B)  providing a standard of comparison 
C)  using groups of subjects 
D)  using statistical control A

Question 3

The experimental preparation includes

Accepted Answer

A)  Extraneous variables 
B)  The experimental protocol 
C)  The experimental equipment 
D)  The IRB proposal 
A)  Extraneous variables 
B)  The experimental protocol 
C)  The experimental equipment 
D)  The IRB proposal C

Question 4

A study is designed to examine the effectiveness of a program in which participants are taught anger management techniques. The best way to design this study is

Accepted Answer

A)  With a within-subjects design, because there are contrast effects 
B)  With a within-subjects design, because there are order effects 
C)  With a between-subjects design, because there are contrast effects 
D)  With a between-subjects design, so as to increase external validity 
A)  With a within-subjects design, because there are contrast effects 
B)  With a within-subjects design, because there are order effects 
C)  With a between-subjects design, because there are contrast effects 
D)  With a between-subjects design, so as to increase external validity

Question 5

Matching can reduce the precision of your experiment if

Accepted Answer

A)  the variable on which you match is not highly correlated with the dependent variable 
B)  the variable on which you match is too highly correlated with the dependent variable 
C)  the matching variable and the dependent variable are the same 
D)  None of these are true. Matching always increases the precision of an experiment. 
A)  the variable on which you match is not highly correlated with the dependent variable 
B)  the variable on which you match is too highly correlated with the dependent variable 
C)  the matching variable and the dependent variable are the same 
D)  None of these are true. Matching always increases the precision of an experiment.

Question 6

The difference between a nuisance variable and a confounded variable is

Accepted Answer

A)  There is no difference. They are the same thing. 
B)  A nuisance variable varies with the independent variable 
C)  A confounded variable varies with the dependent variable 
D)  A confounded variable varies with the independent variable 
A)  There is no difference. They are the same thing. 
B)  A nuisance variable varies with the independent variable 
C)  A confounded variable varies with the dependent variable 
D)  A confounded variable varies with the independent variable

Question 7

Which one of the following statements is true about a between-subjects experiment?

Accepted Answer

A)  Each subject experiences each condition. 
B)  Different groups of subjects experience different conditions. 
C)  Each group of subjects experiences each condition. 
D)  Each individual experiences a different condition. 
A)  Each subject experiences each condition. 
B)  Different groups of subjects experience different conditions. 
C)  Each group of subjects experiences each condition. 
D)  Each individual experiences a different condition.

Question 8

For practical reasons, most experiments use a minimum of

Accepted Answer

A)  About 10 subjects per condition 
B)  About 20 subjects 
C)  About 20 subjects per condition 
D)  About 24 subjects 
A)  About 10 subjects per condition 
B)  About 20 subjects 
C)  About 20 subjects per condition 
D)  About 24 subjects

Question 9

Computer generated randomizations of a set of numbers

Accepted Answer

A)  Truly represent a random ordering 
B)  Are not truly random 
C)  May or may not be truly random, depending upon how they are calculated 
D)  May or may not be truly random, depending upon whether or not you have used a proprietary randomization site 
A)  Truly represent a random ordering 
B)  Are not truly random 
C)  May or may not be truly random, depending upon how they are calculated 
D)  May or may not be truly random, depending upon whether or not you have used a proprietary randomization site

Question 10

Using subjects as their own control involves which one of the following?

Accepted Answer

A)  equating groups on one or more variables that is highly related to the dependent variable 
B)  exposing each participant to multiple conditions 
C)  exposing each individual to a unique and different treatment 
D)  using the analysis of covariance technique 
A)  equating groups on one or more variables that is highly related to the dependent variable 
B)  exposing each participant to multiple conditions 
C)  exposing each individual to a unique and different treatment 
D)  using the analysis of covariance technique

Question 11

The standard error of the mean decreases in direct proportion with the

Accepted Answer

A)  the number of subjects squared 
B)  square root of the number of subjects divided by the standard deviation 
C)  the number of subjects 
D)  anticipated variability of the data 
A)  the number of subjects squared 
B)  square root of the number of subjects divided by the standard deviation 
C)  the number of subjects 
D)  anticipated variability of the data

Question 12

Which one of the following is not a good general strategy for achieving control in research?

Accepted Answer

A)  using a laboratory setting 
B)  instrumenting the response 
C)  avoiding designs that require statistical analyses 
D)  using trained researchers 
A)  using a laboratory setting 
B)  instrumenting the response 
C)  avoiding designs that require statistical analyses 
D)  using trained researchers

Question 13

Which of the following is the best means of randomly assigning subjects to conditions?

Accepted Answer

A)  Place students into groups in the order they sign up for the experiment. 
B)  Placing every other student into one of the two groups. 
C)  Give each student a number and compare them to a random number table. 
D)  Give each student a number, write them on slips of paper and shake them in a hat. 
A)  Place students into groups in the order they sign up for the experiment. 
B)  Placing every other student into one of the two groups. 
C)  Give each student a number and compare them to a random number table. 
D)  Give each student a number, write them on slips of paper and shake them in a hat.

Question 14

Within-subjects experiments always have

Accepted Answer

A)  control groups 
B)  control conditions 
C)  random assignment of subjects to conditions 
D)  nuisance variables 
A)  control groups 
B)  control conditions 
C)  random assignment of subjects to conditions 
D)  nuisance variables

Question 15

Including a nuisance variable as an independent variable in your experimental design

Accepted Answer

A)  is a mistake to be avoided 
B)  can increase the sensitivity of the experiment 
C)  is a type of manipulation check 
D)  decreases the generality of the results 
A)  is a mistake to be avoided 
B)  can increase the sensitivity of the experiment 
C)  is a type of manipulation check 
D)  decreases the generality of the results

Question 16

How do experimenters decide which methodology to use to test a hypothesis?

Accepted Answer

A)  A thorough review of the literature helps to reveal techniques generally used 
B)  Trial and Error 
C)  It doesn't matter; Statistics can make sense of any method 
D)  If the hypothesis is to be supported, it will be proven any way you test it. 
A)  A thorough review of the literature helps to reveal techniques generally used 
B)  Trial and Error 
C)  It doesn't matter; Statistics can make sense of any method 
D)  If the hypothesis is to be supported, it will be proven any way you test it.

Question 17

Control may be defined as

Accepted Answer

A)  the ability to guide sources of variability in an experiment 
B)  providing standards for comparing the effect of a particular variable 
C)  providing techniques to reduce the effects of extraneous variables on the results 
D)  all of these 
A)  the ability to guide sources of variability in an experiment 
B)  providing standards for comparing the effect of a particular variable 
C)  providing techniques to reduce the effects of extraneous variables on the results 
D)  all of these

Question 18

One learns to do research by

Accepted Answer

A)  Studying examples of research 
B)  Reading about it in text books 
C)  Doing research 
D)  All of the above 
A)  Studying examples of research 
B)  Reading about it in text books 
C)  Doing research 
D)  All of the above

Question 19

When designing an experiment, one must always have

Accepted Answer

A)  A control group 
B)  An experimental group 
C)  A control condition 
D)  Confounded variables 
A)  A control group 
B)  An experimental group 
C)  A control condition 
D)  Confounded variables

Question 20

Scientists have studied nerve conduction in the giant nerve axon of the squid because

Accepted Answer

A)  It is larger than the axons of other animals, and thus makes an excellent preparation 
B)  Squids are cheap and plentiful 
C)  Its nerves fire repeatedly in the same way, generating more reliability than mammals 
D)  Reaction time can be measured for its nervous system 
A)  It is larger than the axons of other animals, and thus makes an excellent preparation 
B)  Squids are cheap and plentiful 
C)  Its nerves fire repeatedly in the same way, generating more reliability than mammals 
D)  Reaction time can be measured for its nervous system

Statistical control is

Skinner emphasized which aspect of control?

The experimental preparation includes

A study is designed to examine the effectiveness of a program in which participants are taught anger management techniques. The best way to design this study is

Matching can reduce the precision of your experiment if

The difference between a nuisance variable and a confounded variable is

Which one of the following statements is true about a between-subjects experiment?

For practical reasons, most experiments use a minimum of

Computer generated randomizations of a set of numbers

Using subjects as their own control involves which one of the following?

The standard error of the mean decreases in direct proportion with the

Which one of the following is not a good general strategy for achieving control in research?

Which of the following is the best means of randomly assigning subjects to conditions?

Within-subjects experiments always have

Including a nuisance variable as an independent variable in your experimental design

How do experimenters decide which methodology to use to test a hypothesis?

Control may be defined as

One learns to do research by

When designing an experiment, one must always have

Scientists have studied nerve conduction in the giant nerve axon of the squid because

Psychology and Science

Developing a Research Question

Ethics in Research

Writing in Psychology

Variables

Validity

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

Data Exploration, Part 2: Inferential Statistics

Epilogue Biases and Limitations of Experimental Psychology

Filters

Exam 7: Control

Statistical control is

Skinner emphasized which aspect of control?

The experimental preparation includes

A study is designed to examine the effectiveness of a program in which participants are taught anger management techniques. The best way to design this study is

Matching can reduce the precision of your experiment if

The difference between a nuisance variable and a confounded variable is

Which one of the following statements is true about a between-subjects experiment?

For practical reasons, most experiments use a minimum of

Computer generated randomizations of a set of numbers

Using subjects as their own control involves which one of the following?

The standard error of the mean decreases in direct proportion with the

Which one of the following is not a good general strategy for achieving control in research?

Which of the following is the best means of randomly assigning subjects to conditions?

Within-subjects experiments always have

Including a nuisance variable as an independent variable in your experimental design

How do experimenters decide which methodology to use to test a hypothesis?

Control may be defined as

One learns to do research by

When designing an experiment, one must always have

Scientists have studied nerve conduction in the giant nerve axon of the squid because

Psychology and Science

Developing a Research Question

Ethics in Research

Writing in Psychology

Variables

Validity

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

Data Exploration, Part 2: Inferential Statistics

Epilogue Biases and Limitations of Experimental Psychology

Filters