What Are the Two Classes of Input That Can Alter

question 63

Multiple Choice

What are the two classes of input that can alter the secretion of hormones?

• A)anticipated input and reflexive input
• B)compression and release
• C)neural signals and humoral signals
• D)chemical signals and mechanical input
• E)motor signals and sensory signals

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Definitions:

Independent Variable

An independent variable is the variable in an experiment or study that is manipulated or changed by the researcher to observe its effect on the dependent variable.

Dependent Variable

In an experiment, the variable that is tested and measured, expected to change due to the independent variable.

Experimental Group

In research, a group of subjects exposed to the variable under study to determine its effects, contrasted with a control group.

Placebo

An inactive substance or treatment given to a patient instead of medication, used in controlled experiments to test effectiveness.