A Man Witnessed an Explosion in Which a Co-Worker Died

question 216

Multiple Choice

A man witnessed an explosion in which a co-worker died, and afterward his vision failed. After many neurological tests, doctors could find no organic basis for the man's loss of his eyesight. A psychological explanation for this is

• A)malingering.
• B)conversion disorder.
• C)guilt.
• D)amnesia.

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Definitions:

Residuals

Differences between observed and predicted values in a statistical model, representing unexplained variation.

Predicted Values

Estimates or forecasts of a variable or outcome based on a model or analysis of correlated variables.

Actual Y Values

The observed values of the dependent variable in a data set or experiment, compared against predicted values in regression analysis.

Estimated Regression Line

A line calculated from the data that best fits the relationship between the independent variable(s) and the dependent variable, used to predict the value of the dependent variable from the independent variable(s).