In a Controlled Experiment, Rosenthal and Jacobson (1968) Informed Grade

question 22

Multiple Choice

In a controlled experiment, Rosenthal and Jacobson (1968) informed grade school teachers that some of their students (called "bloomers") would show great academic improvement in the upcoming year. In reality, the "bloomers" were chosen randomly by the researchers, and were no smarter than any of the other students. Which of the following best describes the results of this study? At the end of the year, __________.

• A) bloomers and non-bloomers performed equally well on an IQ test
• B) bloomers improved more on an IQ test than did non-bloomers
• C) non-bloomers improved more on an IQ test than did bloomers
• D) there were no IQ differences between bloomers and non-bloomers, but the bloomers were more interested in school

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Definitions:

Bundle

A combination of different products or services grouped together, often for promotional or pricing strategies.

Constants

Fixed values that do not change within the context of a mathematical equation, experiment, or model, serving as a reference point for comparisons and calculations.

Indifference Curve

A graph representing combinations of goods between which a consumer is indifferent, showing their preferences.

Absolute Values

A mathematical operation that determines the magnitude of a number without regard to its sign, represented as the distance from zero on the number line.