Question 1

Cronbach's alpha indicates to what extent scale items are correlated to each other?

Accepted Answer

A) True 
 B)False  True

Question 2

Mean and median actually are identical concepts.

Accepted Answer

A) True 
 B)False  False

Question 3

The closer the Cronbach's alpha is to 1,the higher the reliability of a scale.

Accepted Answer

A) True 
 B)False  True

Question 4

By means of chi-square analysis it is not possible to test hypotheses.

Accepted Answer

A) True 
 B)False

Question 5

Cronbach's alpha and the split-half reliability coefficient are both instruments to determine the reliability of a scale.

Accepted Answer

A) True 
 B)False

Question 6

With what instrument could the validity of a scale (a set of questions)best be determined?

Accepted Answer

A) Cronbach's alpha. 
B) Kendall's tau. 
C) Levene's test. 
D) With none of the above instruments. 
A) Cronbach's alpha. 
B) Kendall's tau. 
C) Levene's test. 
D) With none of the above instruments.

Question 7

The mode and the median are always the same value.

Accepted Answer

A) True 
 B)False

Question 8

Discriminant validity can be determined by means of,amongst others,correlations and factor analyses.

Accepted Answer

A) True 
 B)False

Question 9

The Cronbach's alpha of a scale indicates to what extent different items measure the same construct.

Accepted Answer

A) True 
 B)False

Question 10

Chi-square analysis is used when the independent variable is nominal or ordinal.

Accepted Answer

A) True 
 B)False

Question 11

Chi-square analysis is used when the independent variable is used when the dependent variable is nominal or ordinal.

Accepted Answer

A) True 
 B)False

Question 12

Computing the Cronbach's alpha is the way to check if the:

Accepted Answer

A) Measure is valid. 
B) Measure is reliable. 
C) Null hypothesis is significant. 
D) Conceptual model is relevant. 
A) Measure is valid. 
B) Measure is reliable. 
C) Null hypothesis is significant. 
D) Conceptual model is relevant.

Question 13

An overview of a variable on nominal level can be given by a pie chart.

Accepted Answer

A) True 
 B)False

Question 14

In what way do the concepts causality and correlation relate to each other?

Accepted Answer

A) Causality is needed for correlation. 
B) Causality is one of the conditions for correlation. 
C) Correlation is one of the conditions for causality. 
D) Correlation (alone)is enough evidence for causality. 
A) Causality is needed for correlation. 
B) Causality is one of the conditions for correlation. 
C) Correlation is one of the conditions for causality. 
D) Correlation (alone)is enough evidence for causality.

Question 15

Chi-square analysis is a suitable technique to determine if the sample is a reflection of the population in terms of access to the internet (access/no access).

Accepted Answer

A) True 
 B)False

Question 16

A researcher wants to give an overview of the characteristics of the respondents in his sample.How could this researcher best provide insight in the gender of the respondents?

Accepted Answer

A) By a frequency table and a bar chart. 
B) By the mode,median and the standard deviation. 
C) By a frequency table and a correlation matrix. 
D) By the mean and the variance. 
A) By a frequency table and a bar chart. 
B) By the mode,median and the standard deviation. 
C) By a frequency table and a correlation matrix. 
D) By the mean and the variance.

Question 17

Which instrument would one use to assess the reliability of a scale (a set of questions)?

Accepted Answer

A) Cronbach's alpha. 
B) Kendall's tau. 
C) Levene's test. 
D) Pearson's correlation coefficient. 
A) Cronbach's alpha. 
B) Kendall's tau. 
C) Levene's test. 
D) Pearson's correlation coefficient.

Question 18

Fill in the missing text:

Accepted Answer

A) (1)nominal/ordinal - (2)nominal/ordinal. 
B) (1)nominal/ordinal - (2)interval/ratio. 
C) (1)interval/ratio - (2)nominal/ordinal. 
D) (1)interval/ratio - (2)interval/ratio. 
A) (1)nominal/ordinal - (2)nominal/ordinal. 
B) (1)nominal/ordinal - (2)interval/ratio. 
C) (1)interval/ratio - (2)nominal/ordinal. 
D) (1)interval/ratio - (2)interval/ratio.

Question 19

With what instrument could the predictive validity of a metric scale (a set of questions)best be determined?

Accepted Answer

A) Cronbach's alpha. 
B) A correlation-coefficient. 
C) Fisher's r-to-z test. 
D) With none of the above mentioned instruments. 
A) Cronbach's alpha. 
B) A correlation-coefficient. 
C) Fisher's r-to-z test. 
D) With none of the above mentioned instruments.

Question 20

In what way could you best give an overview of ordinal data?

Accepted Answer

A) By the mean. 
B) By cross tables. 
C) By the median. 
D) By the mode. 
A) By the mean. 
B) By cross tables. 
C) By the median. 
D) By the mode.

Cronbach's alpha indicates to what extent scale items are correlated to each other?

Mean and median actually are identical concepts.

The closer the Cronbach's alpha is to 1,the higher the reliability of a scale.

By means of chi-square analysis it is not possible to test hypotheses.

Cronbach's alpha and the split-half reliability coefficient are both instruments to determine the reliability of a scale.

With what instrument could the validity of a scale (a set of questions)best be determined?

The mode and the median are always the same value.

Discriminant validity can be determined by means of,amongst others,correlations and factor analyses.

The Cronbach's alpha of a scale indicates to what extent different items measure the same construct.

Chi-square analysis is used when the independent variable is nominal or ordinal.

Chi-square analysis is used when the independent variable is used when the dependent variable is nominal or ordinal.

Computing the Cronbach's alpha is the way to check if the:

An overview of a variable on nominal level can be given by a pie chart.

In what way do the concepts causality and correlation relate to each other?

Chi-square analysis is a suitable technique to determine if the sample is a reflection of the population in terms of access to the internet (access/no access).

A researcher wants to give an overview of the characteristics of the respondents in his sample.How could this researcher best provide insight in the gender of the respondents?

Which instrument would one use to assess the reliability of a scale (a set of questions)?

Fill in the missing text:

With what instrument could the predictive validity of a metric scale (a set of questions)best be determined?

In what way could you best give an overview of ordinal data?

Introduction to Research

Scientific Investigation

The Broad Problem Area and Defining the Problem Statement

The Critical Literature Review

Theoretical Framework and Hypothesis Development

The Elements of Research Design

Data Collection Methods: Introduction and Interviews

Data Collection Methods: Observation

Data Collection Methods: Questionnaires

Experimental Designs

Measurement of Variables: Operational Definition

Measurement: Scaling,reliability,validity

Sampling

Quantitative Data Analysis: Hypothesis Testing

Qualitative Data Analysis

The Research Report

Filters

Exam 14: Quantitative Data Analysis

Cronbach's alpha indicates to what extent scale items are correlated to each other?

Mean and median actually are identical concepts.

The closer the Cronbach's alpha is to 1,the higher the reliability of a scale.

By means of chi-square analysis it is not possible to test hypotheses.

Cronbach's alpha and the split-half reliability coefficient are both instruments to determine the reliability of a scale.

With what instrument could the validity of a scale (a set of questions)best be determined?

The mode and the median are always the same value.

Discriminant validity can be determined by means of,amongst others,correlations and factor analyses.

The Cronbach's alpha of a scale indicates to what extent different items measure the same construct.

Chi-square analysis is used when the independent variable is nominal or ordinal.

Chi-square analysis is used when the independent variable is used when the dependent variable is nominal or ordinal.

Computing the Cronbach's alpha is the way to check if the:

An overview of a variable on nominal level can be given by a pie chart.

In what way do the concepts causality and correlation relate to each other?

Chi-square analysis is a suitable technique to determine if the sample is a reflection of the population in terms of access to the internet (access/no access).

A researcher wants to give an overview of the characteristics of the respondents in his sample.How could this researcher best provide insight in the gender of the respondents?

Which instrument would one use to assess the reliability of a scale (a set of questions)?

Fill in the missing text:

With what instrument could the predictive validity of a metric scale (a set of questions)best be determined?

In what way could you best give an overview of ordinal data?

Introduction to Research

Scientific Investigation

The Broad Problem Area and Defining the Problem Statement

The Critical Literature Review

Theoretical Framework and Hypothesis Development

The Elements of Research Design

Data Collection Methods: Introduction and Interviews

Data Collection Methods: Observation

Data Collection Methods: Questionnaires

Experimental Designs

Measurement of Variables: Operational Definition

Measurement: Scaling,reliability,validity

Sampling

Quantitative Data Analysis: Hypothesis Testing

Qualitative Data Analysis

The Research Report

Filters