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:

Angiosperms

A large group of plants that are characterized by having flowers and producing seeds enclosed within a fruit; they are also known as flowering plants.

Fruits

The mature ovary of a flowering plant, usually containing seeds.

Plant Evolution

The scientific study of how plant species have changed over time through processes such as natural selection and genetic drift.

Sporophyte Dominant

Refers to life cycles in which the multicellular diploid phase (sporophyte) is the more prominent phase compared to the gametophyte.