A Social Psychologist Conducted a Study of Whether Similarity to a Potential

question 63

Essay

A social psychologist conducted a study of whether similarity to a potential date (X)predicted attraction to that potential date (Y).The results for four participants follow. a.Figure the linear prediction rule.
b.Make a graph with the regression line.
c.Figure the standardized regression coefficient.
d.Explain the logic of what you did to someone who is familiar with correlation,but who knows nothing about prediction.Be sure your answer explains the ideas of prediction,linear prediction rule,best linear prediction rule,the regression line,and the standardized regression coefficient.
e.Advanced topic: Figure the proportionate reduction in error using sums of squared errors.
f.Advanced topic: Explain the logic behind how you figured the proportionate reduction in error.

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Definitions:

Integrity Testing

Evaluations designed to assess a potential or current employee's honesty, morality, and adherence to ethical standards.

Polygraph Testing

A technique used in investigations and security screening that measures physiological responses to determine the truthfulness of answers provided by an individual.

Graphology Testing

An assessment technique that analyses a person's handwriting to make inferences about their personality or other attributes.

Cognitive Abilities

Mental skills that include reasoning, memory, attention, and language capabilities that enable an individual to learn and solve problems.