Professor Zeeman Has Conducted Experiments That Suggest a New Study

question 3

Multiple Choice

Professor Zeeman has conducted experiments that suggest a new study technique can enhance memory. However, the new technique does not work for students taking real classes. The experimental finding:

• A) lacks internal validity.
• B) lacks external validity.
• C) is not reliable.
• D) is probably due to chance.

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Definitions:

Inches

A unit of length in the Imperial and United States customary systems, equivalent to 1/12 of a foot.

Microgram

A unit of mass equal to one millionth of a gram.

Milligram

A mass measurement in the metric system equivalent to 0.001 grams.

Microgram

A metric measure of mass that is one thousandth of a milligram or one millionth of a gram, used for very small amounts of a substance.