Question 1

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. B

Question 2

Mean and median actually are identical concepts.

Accepted Answer

A) True 
 B)False  False

Question 3

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. C

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

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 7

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 8

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 9

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

Accepted Answer

A) True 
 B)False

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

Fill in the missing text: A Chi-square test can be used if the independent variable is measured on a …….(1)…….scale and the dependent variable on a ……..(2)……..scale.

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 12

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 13

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 14

The mode and the median are always the same value.

Accepted Answer

A) True 
 B)False

Question 15

After collecting and entering the data in SPSS,a researcher looks at the correlation matrix in which all variables of his conceptual model are included.Which information can the researcher not derive from this matrix?

Accepted Answer

A) An indication of the possibility of multicollinearity. 
B) The existence of cause-effect relationships between certain variables. 
C) Relationships between variables. 
D) Whether relationships between variables are positive or negative. 
A) An indication of the possibility of multicollinearity. 
B) The existence of cause-effect relationships between certain variables. 
C) Relationships between variables. 
D) Whether relationships between variables are positive or negative.

Question 16

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 17

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

Accepted Answer

A) True 
 B)False

Question 18

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 19

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 20

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

Accepted Answer

A) True 
 B)False

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

Mean and median actually are identical concepts.

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

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

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).

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

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

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

Fill in the missing text: A Chi-square test can be used if the independent variable is measured on a …….(1)…….scale and the dependent variable on a ……..(2)……..scale.

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

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

The mode and the median are always the same value.

After collecting and entering the data in SPSS,a researcher looks at the correlation matrix in which all variables of his conceptual model are included.Which information can the researcher not derive from this matrix?

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

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

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

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?

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

Introduction to Research

The Scientific Approach and Alternative Approaches to Investigation

Defining and Refining the Problem

The Critical Literature Review

Theoretical Framework and Hypothesis Development

Elements of Research Design

Interviews

Data Collection Methods: Observation

Administering Questionnaires

Experimental Designs

Measurement of Variables: Operational Definition

Measurement: Scaling, Reliability and Validity

Sampling

Quantitative Data Analysis: Hypothesis Testing

Qualitative Data Analysis

The Research Report

Filters

Exam 14: Quantitative Data Analysis

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

Mean and median actually are identical concepts.

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

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

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).

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

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

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

Fill in the missing text: A Chi-square test can be used if the independent variable is measured on a …….(1)…….scale and the dependent variable on a ……..(2)……..scale.

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

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

The mode and the median are always the same value.

After collecting and entering the data in SPSS,a researcher looks at the correlation matrix in which all variables of his conceptual model are included.Which information can the researcher not derive from this matrix?

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

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

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

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?

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

Introduction to Research

The Scientific Approach and Alternative Approaches to Investigation

Defining and Refining the Problem

The Critical Literature Review

Theoretical Framework and Hypothesis Development

Elements of Research Design

Interviews

Data Collection Methods: Observation

Administering Questionnaires

Experimental Designs

Measurement of Variables: Operational Definition

Measurement: Scaling, Reliability and Validity

Sampling

Quantitative Data Analysis: Hypothesis Testing

Qualitative Data Analysis

The Research Report

Filters