Two Teachers Who Are Friends Teach Math at Different High

question 6

Multiple Choice

Two teachers who are friends teach math at different high schools. At a conference they learn about a new program for teaching trigonometry. They decide to test it by having one teacher use it in her class and the other use the traditional program. At the end of the school year they compare their students' scores on the AP trigonometry test. This is an example of which research design?

• A) One-group posttest-only design
• B) One-group pretest-posttest design
• C) Posttest-only design with nonequivalent groups
• D) Nonequivalent posttest-only design

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Definitions:

Olfactory Receptors

Specialized nerve cells located in the nasal cavity that are responsible for detecting odors and initiating the sense of smell.

Perceptual Hypothesis

A proposal predicting how stimuli are organized and interpreted by the brain to form perceptions.

Distal Stimuli

Objects and events in the external world that provide the basis for sensory input.

Proximal Stimuli

The patterns of stimuli from objects and events that actually reach your senses like the light hitting the retina or sound waves hitting the eardrum.