A "Technology" Hypothesis Has Been Advanced as an Explanation for the Widening

question 257

Multiple Choice

A "technology" hypothesis has been advanced as an explanation for the widening earnings gap between skilled and unskilled workers in the United States.This hypothesis emphasizes the likelihood that technological advances have

• A) increased the supply of both skilled and unskilled workers.
• B) increased the supply of skilled workers and decreased the supply of unskilled workers.
• C) increased the demand for skilled workers and decreased the demand for unskilled workers.
• D) decreased the demand for both skilled and unskilled workers.

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Definitions:

Dizygotic Twins

Also known as fraternal twins, they are siblings born at the same time but have developed from two different eggs fertilized by two different sperm.

Self-Esteem

Evaluation of one’s self-concept, usually measured in terms of a relatively stable and global assessment of how a person feels about himself or herself.

Statistical Significance

The likelihood that a research finding represents a genuine effect rather than a chance fluctuation of measurement.

Twin-Study Method

A procedure for examining the role of genetics on personality in which pairs of monozygotic and dizygotic twins are compared.