A Researcher Has Developed a Series of In-Service Training Programs

question 78

Multiple Choice

A researcher has developed a series of in-service training programs for teachers that he believes will improve their effectiveness in the classroom.The researcher observes and compares teacher classroom behavior before and after the teachers attend the in-service training.If this design has a flaw, suggest a way(s) that you would improve it.

• A) Use trained observers other than the researcher to make the before and after classroom observations.
• B) Use videotapes of before and after teacher behavior and have trained observers in a blind technique evaluate the pre- and post-training tapes.
• C) a or b
• D) There is no serious flaw in the study.The researcher who developed the program and has an interest in its effectiveness should be the one making the observations.

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Definitions:

Acid Base

Refers to the concepts and processes related to acidic and basic properties of substances, crucial in chemical reactions, biology, and medicine for maintaining physiological pH balance.

Nitric Acid

a highly corrosive mineral acid used in the production of fertilizers, explosives, and in various industrial processes.

Industrial Oxidizing

The use of oxidizing agents in industrial processes, often for cleaning, disinfecting, or chemical reactions.

Acid Base

Refers to concepts in chemistry dealing with the acidity or alkalinity of substances, crucial in physiological processes and industrial applications.