The Lighting System of a Car Contains: 20 of the 2-Candlepower

question 8

Multiple Choice

The lighting system of a car contains: 20 of the 2-candlepower bulbs, 4 of the 21-candlepower bulbs, 8 of the 6-candlepower bulbs, and 1 of the 15-candlepower bulbs. What is the total candlepower of the bulbs?

• A) 178
• B) 187
• C) 199
• D) 209

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Definitions:

Manipulation Check

A measure used to determine whether the manipulation of the independent variable has had its intended effect on a subject.

Double-Blind Procedures

An experimental procedure wherein both the subjects of the experiment and the researchers do not know which subjects are receiving the active treatment versus a placebo, to prevent bias.

Demand Characteristics

Features of an experiment that inadvertently lead participants to guess its purpose, potentially affecting their behavior.

Peer Review

The process of judging the scientific merit of research through review by other scientists with the expertise to evaluate the research.