A study by Rosenthal and Jacobson (1968)involved telling teachers that some of their students were "bloomers" and would achieve rapid academic success within the next year.In fact,these students were no different than any of the other students in the class.At the end of the year,the "bloomers" showed more gains in IQ than the other students.It appeared that the teacher had inadvertently treated the "bloomers" in special ways.This is an example of which of the following?
A) Observer bias
B) Observer effects
C) A masked study design
D) Self-report operationalization
E) None of the above

Question

Quizplus · Accepted Answer

This is an example of observer effects, where the expectations and behaviors of the teacher influenced the performance of the students labeled as "bloomers". Observer bias (A) refers to the researcher's preconceived notions affecting the interpretation of results. Masked study design (C) refers to blinding participants to the study's objectives, which is not relevant here. Self-report operationalization (D) refers to the measurement of variables based on participants' own reports, which is not relevant here. Therefore, the correct answer choice is B.

A Study by Rosenthal and Jacobson (1968)involved Telling Teachers That