Which of the Following Is a Technique to Improve Internal

question 31

Multiple Choice

Which of the following is a technique to improve internal validity?

• A)Addition of a control group
• B)Experimenter expectancy
• C)Participant bias
• D)Use of a confederate

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Definitions:

Stable In Blood

Refers to a substance that remains unchanged or is consistently maintained in the bloodstream.

Up-regulation

The process by which a cell increases the quantity of a cellular component, such as RNA or protein, in response to an external stimulus.

Amplification

In a biological context, the process by which a signal is intensified, as in the enhancement of a signal in a biochemical pathway.

Sympathetic Neurons

Neurons that are part of the sympathetic nervous system, responsible for the body's 'fight or flight' response.