Data Analysis Techniques in Educational Research

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Number of Questions: 14
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Which of the following is not a data analysis technique commonly used in educational research?

  1. Descriptive statistics

  2. Inferential statistics

  3. Regression analysis

  4. Factor analysis


Correct Option: D
Explanation:

Factor analysis is a technique used in exploratory data analysis to identify underlying patterns in a dataset. It is not commonly used in educational research.

What is the purpose of descriptive statistics in educational research?

  1. To summarize and describe data

  2. To make inferences about a population from a sample

  3. To identify relationships between variables

  4. To predict future outcomes


Correct Option: A
Explanation:

Descriptive statistics are used to summarize and describe data in a meaningful way. They can be used to calculate measures of central tendency, variability, and distribution.

Which of the following is an example of an inferential statistic?

  1. Mean

  2. Median

  3. Standard deviation

  4. Hypothesis testing


Correct Option: D
Explanation:

Hypothesis testing is an inferential statistic that allows researchers to make inferences about a population from a sample. It involves testing a hypothesis about the population using data from a sample.

What is the difference between a correlation and a regression analysis?

  1. Correlation measures the strength of the relationship between two variables, while regression analysis predicts the value of one variable based on the value of another variable.

  2. Correlation measures the direction of the relationship between two variables, while regression analysis predicts the value of one variable based on the value of another variable.

  3. Correlation measures the strength and direction of the relationship between two variables, while regression analysis predicts the value of one variable based on the value of another variable.

  4. Correlation measures the strength and direction of the relationship between two variables, while regression analysis measures the strength of the relationship between two variables.


Correct Option: C
Explanation:

Correlation measures the strength and direction of the relationship between two variables, while regression analysis predicts the value of one variable based on the value of another variable.

What is the purpose of a t-test in educational research?

  1. To compare the means of two groups

  2. To compare the variances of two groups

  3. To test the significance of a correlation

  4. To predict the value of one variable based on the value of another variable


Correct Option: A
Explanation:

A t-test is a statistical test that is used to compare the means of two groups. It can be used to test the significance of a difference between two groups.

What is the purpose of an ANOVA in educational research?

  1. To compare the means of two groups

  2. To compare the variances of two groups

  3. To test the significance of a correlation

  4. To compare the means of three or more groups


Correct Option: D
Explanation:

ANOVA is a statistical test that is used to compare the means of three or more groups. It can be used to test the significance of a difference between three or more groups.

What is the purpose of a chi-square test in educational research?

  1. To compare the means of two groups

  2. To compare the variances of two groups

  3. To test the significance of a correlation

  4. To test the independence of two variables


Correct Option: D
Explanation:

A chi-square test is a statistical test that is used to test the independence of two variables. It can be used to test the hypothesis that there is no relationship between two variables.

What is the purpose of a factor analysis in educational research?

  1. To identify underlying patterns in a dataset

  2. To compare the means of two groups

  3. To compare the variances of two groups

  4. To test the significance of a correlation


Correct Option: A
Explanation:

Factor analysis is a statistical technique that is used to identify underlying patterns in a dataset. It can be used to reduce the number of variables in a dataset and to identify the most important variables.

What is the purpose of a regression analysis in educational research?

  1. To identify underlying patterns in a dataset

  2. To compare the means of two groups

  3. To compare the variances of two groups

  4. To predict the value of one variable based on the value of another variable


Correct Option: D
Explanation:

Regression analysis is a statistical technique that is used to predict the value of one variable based on the value of another variable. It can be used to identify the relationship between two variables and to make predictions about the value of one variable based on the value of another variable.

What is the purpose of a discriminant analysis in educational research?

  1. To identify underlying patterns in a dataset

  2. To compare the means of two groups

  3. To compare the variances of two groups

  4. To classify observations into two or more groups


Correct Option: D
Explanation:

Discriminant analysis is a statistical technique that is used to classify observations into two or more groups. It can be used to identify the variables that are most important in discriminating between the groups.

What is the purpose of a cluster analysis in educational research?

  1. To identify underlying patterns in a dataset

  2. To compare the means of two groups

  3. To compare the variances of two groups

  4. To group observations into clusters based on their similarity


Correct Option: D
Explanation:

Cluster analysis is a statistical technique that is used to group observations into clusters based on their similarity. It can be used to identify patterns in a dataset and to identify groups of observations that are similar to each other.

What is the purpose of a multidimensional scaling analysis in educational research?

  1. To identify underlying patterns in a dataset

  2. To compare the means of two groups

  3. To compare the variances of two groups

  4. To represent the relationships between a set of objects in a low-dimensional space


Correct Option: D
Explanation:

Multidimensional scaling analysis is a statistical technique that is used to represent the relationships between a set of objects in a low-dimensional space. It can be used to visualize the relationships between objects and to identify patterns in a dataset.

What is the purpose of a path analysis in educational research?

  1. To identify underlying patterns in a dataset

  2. To compare the means of two groups

  3. To compare the variances of two groups

  4. To model the relationships between a set of variables


Correct Option: D
Explanation:

Path analysis is a statistical technique that is used to model the relationships between a set of variables. It can be used to identify the causal relationships between variables and to test the significance of these relationships.

What is the purpose of a structural equation modeling in educational research?

  1. To identify underlying patterns in a dataset

  2. To compare the means of two groups

  3. To compare the variances of two groups

  4. To test a hypothesized model of the relationships between a set of variables


Correct Option: D
Explanation:

Structural equation modeling is a statistical technique that is used to test a hypothesized model of the relationships between a set of variables. It can be used to identify the causal relationships between variables and to test the significance of these relationships.

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