Consider the Example of Cyr, a Researcher Who Studies the Role

question 33

Multiple Choice

Consider the example of Cyr, a researcher who studies the role of worked examples in engineering education. He measures students test performance and ratings of their instructors. He randomly assigns classes to condition. In some classes worked examples are shown, some where no worked examples are used, and a third set of classes in which students have access to worked examples if they elect to look at them.
-Cyr argues that his research is experimental. However, you know better given the following reason.

• A) He randomly assigned in-tact groups not students
• B) Ratings of instructors are not measured in experiments.
• C) He uses a correlational approach to the study.
• D) There is no dependent variable in his research study.

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Definitions:

Long-Term Potentiation

A long-lasting increase in signal transmission between two neurons, considered a central mechanism behind learning and memory.

Conditioned Eyeblink

A classical conditioning experiment where a subject learns to blink in response to a conditioned stimulus, typically a tone, that has been associated with an unconditioned stimulus, like a puff of air to the eye.

Hypothalamus

A neural structure lying below (hypo) the thalamus; it directs several maintenance activities (eating, drinking, body temperature), helps govern the endocrine system via the pituitary gland, and is linked to emotion and reward.

Amygdala

A section of the brain's limbic system involved in emotion, particularly fear and pleasure.