The Number of Labor Union Members Reached Its Peak in the Decade

question 35

Multiple Choice

The number of labor union members reached its peak in the decade of the

• A)1950s.
• B)1960s.
• C)1970s.
• D)1980s.
• E)1990s.

---

Definitions:

Ex-girlfriend

Denotes a woman with whom one has had a romantic relationship in the past, but is no longer involved with in the present.

Cumulative Record

A comprehensive record that shows the total number of responses over time, often used in behavioral analysis.

Lever Press

A method used in behavioral experiments, typically involving animals like rats or pigeons, where a subject is trained to press a lever to receive a reward or avoid a punishment.

Skinner Box

An experimental apparatus used in the study of animal behavior to investigate the principles of operant conditioning.