Researcher Selects a Sample of 65-Year-Olds and Interviews and Tests

question 54

Multiple Choice

researcher selects a sample of 65-year-olds and interviews and tests them every two years for 14 years. Over these years, some of the subjects die or drop out of the study. This phenomenon is referred to as _______.

• A) attrition
• B) terminal drop
• C) longitudinal loss
• D) selective bias

---

Definitions:

Operant Conditioning

A method of learning that employs rewards and punishments for behavior, encouraging or discouraging certain behaviors.

Learning

The acquisition of knowledge or skills through experience, study, or being taught.

Learning

The process of acquiring knowledge, behaviors, skills, values, or preferences, often resulting from study, experience, or teaching.

Operant Conditioning

A learning process through which the strength of a behavior is modified by reinforcement or punishment.