Monty Leaman
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Statistical Analysis Exam

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Monty Leaman
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Research Methods: Multiple Regression

Frage 1 von 4

1

Fill in the Blank: Multiple Regression is a logical extension of linear regression that allows us to ... and assess whether adding additional variables or combination of variables (factors) to the regression will enhance the power of the regression model.

Wähle eine der folgenden:

  • examine the influence of a key X variable (regressor) on Y (dependent variable)

  • examine the influence of multiple X variables (regressors) on Y (dependent variable)

  • examine the influence of a key X variable (regressor) on Y (independent variable)

  • examine the influence of multiple X variables (regressors) on Y (independent variable)

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Frage 2 von 4

1

To carry out multiple regression, you must include ...

Wähle eine der folgenden:

  • three or more potentially useful predictors (variables)

  • all predictors (variables)

  • two or more potentially useful predictors (variables)

  • one or more potentially useful predictors (variables)

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Frage 3 von 4

1

What is factor analysis?

Wähle eine der folgenden:

  • A statistical method that describes the variability of observed variables, and correlates them to unobserved factors; usually in terms of a lower and higher score.

  • A statistical process by which all variables are forced into a regression model (all analysed at the same time) regardless of their statistical significance

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Frage 4 von 4

1

Which of the following is a statistical process by which all variables are forced into a regression model (all analysed at the same time) regardless of their statistical significance

Wähle eine der folgenden:

  • Simultaneous regression

  • Simple linear regression

  • Hierarchical regression

  • Logistic regression

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