Question 1

The Fahrenheit scale of temperature does not have which of these properties?

Accepted Answer

A)  differences 
B)  magnitudes 
C)  equal intervals 
D)  true zero point 
A)  differences 
B)  magnitudes 
C)  equal intervals 
D)  true zero point D

Question 2

External validity refers to whether one can make causal statements about the relationship between variables.

Accepted Answer

A) True 
 B)False  False

Question 3

Reliability refers to the consistency of measures.

Accepted Answer

A) True 
 B)False  True

Question 4

Of the following dimensions,____ is the only one that can be measured using psychometric scaling procedures,but not psychophysical scaling procedures.

Accepted Answer

A)  brightness 
B)  loudness 
C)  happiness 
D)  time estimation 
A)  brightness 
B)  loudness 
C)  happiness 
D)  time estimation

Question 5

Psychometric scales usually measure responses to stimuli whose underlying dimension is unknown.

Accepted Answer

A) True 
 B)False

Question 6

Construct validity refers to the degree to which independent and dependent variables accurately reflect or measure what they are intended to measure.

Accepted Answer

A) True 
 B)False

Question 7

Test reliability determined by a correlation between scores from the same test taken at two different times is called:

Accepted Answer

A)  test-retest reliability 
B)  parallel forms reliability 
C)  split-half reliability 
D)  predictive reliability 
A)  test-retest reliability 
B)  parallel forms reliability 
C)  split-half reliability 
D)  predictive reliability

Question 8

Random sampling means that each member of a particular population:

Accepted Answer

A)  is assigned randomly to a condition 
B)  has an equal chance of being selected 
C)  contributes to invalidity 
D)  decreases statistical power 
A)  is assigned randomly to a condition 
B)  has an equal chance of being selected 
C)  contributes to invalidity 
D)  decreases statistical power

Question 9

The absolute threshold is:

Accepted Answer

A)  when there is no sensation 
B)  when the stimulus has no strength 
C)  usually overestimated 
D)  operationally defined 
A)  when there is no sensation 
B)  when the stimulus has no strength 
C)  usually overestimated 
D)  operationally defined

Question 10

Theoretical constructs are essentially the same as:

Accepted Answer

A)  operational definitions 
B)  intervening variables 
C)  hypotheses 
D)  hunches 
A)  operational definitions 
B)  intervening variables 
C)  hypotheses 
D)  hunches

Question 11

According to Weber's law:

Accepted Answer

A)  $\triangle$ I/I = K 
B)  $\triangle$ = KlogS 
C)  $\triangle$ = KSn 
D)  $\triangle$ = KlogN 
A)  $\triangle$ I/I = K 
B)  $\triangle$ = KlogS 
C)  $\triangle$ = KSn 
D)  $\triangle$ = KlogN

Question 12

Your sadistic instructor has decided to administer a second exam (don't worry,this is only hypothetical).This second exam is of similar format and covers the same material as the original exam.However,different questions are used in order to minimize the effects of practice.If everyone obtained the same score on both exams,the tests would provide a good measure of ____.

Accepted Answer

A)  test-retest reliability 
B)  parallel forms reliability 
C)  split-half reliability 
D)  criterion validity 
A)  test-retest reliability 
B)  parallel forms reliability 
C)  split-half reliability 
D)  criterion validity

Question 13

Internal validity allows one to:

Accepted Answer

A)  generalize 
B)  attribute causality 
C)  have confidence in constructs 
D)  support hypotheses 
A)  generalize 
B)  attribute causality 
C)  have confidence in constructs 
D)  support hypotheses

Question 14

If you measure people's hunger on an interval scale,you are not entitled to say that one person is three times as hungry as another.

Accepted Answer

A) True 
 B)False

Question 15

Internal validity refers to the extent to which one can generalize from the research setting and participant population to other settings and populations.

Accepted Answer

A) True 
 B)False

Question 16

Of the following,which is the most appropriate test or precaution to maximize construct validity?

Accepted Answer

A)  Increase the number of participants. 
B)  Operationally define all variables. 
C)  Give slightly different instructions to each participant. 
D)  Replicate the study with different materials. 
E)  Conduct a field study. 
A)  Increase the number of participants. 
B)  Operationally define all variables. 
C)  Give slightly different instructions to each participant. 
D)  Replicate the study with different materials. 
E)  Conduct a field study.

Question 17

A major threat to internal validity is:

Accepted Answer

A)  confounding 
B)  deviant-case analysis 
C)  truncated range 
D)  dependent variables 
A)  confounding 
B)  deviant-case analysis 
C)  truncated range 
D)  dependent variables

Question 18

The scale property that distinguishes an ordinal scale from a nominal scale is:

Accepted Answer

A)  differences 
B)  magnitudes 
C)  equal intervals 
D)  ratios 
A)  differences 
B)  magnitudes 
C)  equal intervals 
D)  ratios

Question 19

Statistical reliability determines whether results:

Accepted Answer

A)  will occur five percent of the time 
B)  occur because of chance 
C)  are internally valid 
D)  are produced by bias 
A)  will occur five percent of the time 
B)  occur because of chance 
C)  are internally valid 
D)  are produced by bias

Question 20

Psychophysics measures psychological reactions to events that lie along a physical dimension.

Accepted Answer

A) True 
 B)False

The Fahrenheit scale of temperature does not have which of these properties?

External validity refers to whether one can make causal statements about the relationship between variables.

Reliability refers to the consistency of measures.

Of the following dimensions,____ is the only one that can be measured using psychometric scaling procedures,but not psychophysical scaling procedures.

Psychometric scales usually measure responses to stimuli whose underlying dimension is unknown.

Construct validity refers to the degree to which independent and dependent variables accurately reflect or measure what they are intended to measure.

Test reliability determined by a correlation between scores from the same test taken at two different times is called:

Random sampling means that each member of a particular population:

The absolute threshold is:

Theoretical constructs are essentially the same as:

According to Weber's law:

Internal validity allows one to:

If you measure people's hunger on an interval scale,you are not entitled to say that one person is three times as hungry as another.

Internal validity refers to the extent to which one can generalize from the research setting and participant population to other settings and populations.

Of the following,which is the most appropriate test or precaution to maximize construct validity?

A major threat to internal validity is:

The scale property that distinguishes an ordinal scale from a nominal scale is:

Statistical reliability determines whether results:

Psychophysics measures psychological reactions to events that lie along a physical dimension.

Overview of Psychological Research

Explanation in Scientific Psychology

Exploring the Literature of Psychology

Conducting Ethical Research

Observations in Psychological Research

Relational Research

Basics of Experimentation

Experimental Design

Complex Design

Small-N Experimentation

Quasi-Experimentation

Interpreting the Results of Research

Presenting Research Results

Appendices a and B Descriptive and Inferential Statistics

Filters

Exam 8: Validity and Reliability in Psychological Research

The Fahrenheit scale of temperature does not have which of these properties?

External validity refers to whether one can make causal statements about the relationship between variables.

Reliability refers to the consistency of measures.

Of the following dimensions,____ is the only one that can be measured using psychometric scaling procedures,but not psychophysical scaling procedures.

Psychometric scales usually measure responses to stimuli whose underlying dimension is unknown.

Construct validity refers to the degree to which independent and dependent variables accurately reflect or measure what they are intended to measure.

Test reliability determined by a correlation between scores from the same test taken at two different times is called:

Random sampling means that each member of a particular population:

The absolute threshold is:

Theoretical constructs are essentially the same as:

According to Weber's law:

Internal validity allows one to:

If you measure people's hunger on an interval scale,you are not entitled to say that one person is three times as hungry as another.

Internal validity refers to the extent to which one can generalize from the research setting and participant population to other settings and populations.

Of the following,which is the most appropriate test or precaution to maximize construct validity?

A major threat to internal validity is:

The scale property that distinguishes an ordinal scale from a nominal scale is:

Statistical reliability determines whether results:

Psychophysics measures psychological reactions to events that lie along a physical dimension.

Overview of Psychological Research

Explanation in Scientific Psychology

Exploring the Literature of Psychology

Conducting Ethical Research

Observations in Psychological Research

Relational Research

Basics of Experimentation

Experimental Design

Complex Design

Small-N Experimentation

Quasi-Experimentation

Interpreting the Results of Research

Presenting Research Results

Appendices a and B Descriptive and Inferential Statistics

Filters