In a Classic Study by Rosenthal and Jacobson (1968), Teachers

question 110

Multiple Choice

In a classic study by Rosenthal and Jacobson (1968) , teachers were told that a randomly selected group of children in their classes were "late bloomers" on the verge of an "intellectual growth spurt." What were the findings of the study when the abilities of all the children in these classes were evaluated two years later?

• A) The students who had been randomly labelled "late bloomers" actually performed worse.
• B) The students who had been randomly labelled "late bloomers" actually performed better.
• C) Half the "late bloomer" students performed better, and half of them performed worse, compared to the other students.
• D) There was no impact on student performance of whether teachers had been told a student was a "late bloomer" or not.

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Definitions:

Haploid

One set of chromosomes, in contrast to diploid; characteristic of gametes.

Crossing Over

The exchange of genetic material between homologous chromosomes during meiosis, contributing to genetic diversity.

Non-Sister Chromatids

Chromatids belonging to separate homologous chromosomes that may exchange genetic material during meiosis.

Seminiferous Tubule

Tubule in the testis in which spermatozoa develop.