A Research Study Finds That 40-Year-Olds Are Better Able to Solve

question 117

Multiple Choice

A research study finds that 40-year-olds are better able to solve math problems than 80-year-olds.It is suspected that the differences in problem-solving ability result from the fact that 80-year-olds had fewer opportunities to study math and did not have access to calculators or computers.If true,the study has revealed:

• A)experimenter bias.
• B)a placebo effect.
• C)age-related differences.
• D)cohort effects.

---

Definitions:

Scientific Expertise

The specialized knowledge and skills in a field of science, often used to inform decision-making or research.

Government Service

Employment within a governmental agency or department, involving work carried out on behalf of public administration.

Civil Service Reform Act

Legislation intended to improve the quality of public service by structuring federal employment on merit and performance rather than political affiliation.

Spoils System

A practice where a political party, after winning an election, gives government jobs to its supporters, friends, and relatives as a reward.