What Is the Difference Between Negative Feedback and Positive Feedback

question 119

Multiple Choice

What is the difference between negative feedback and positive feedback mechanisms?

• A)Negative feedback mechanisms return a system to a set point; positive feedback mechanisms amplify a response.
• B)Negative feedback mechanisms move a system away from a set point; positive feedback mechanisms stabilize a system at a set point.
• C)Negative feedback mechanisms stabilize a system at a set point; positive feedback mechanisms change the set point.

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Definitions:

Outliers

Observations in a data set that are significantly distant from the other observations, potentially indicating variability in measurement or experimental errors.

Confidence Intervals

A range of values, derived from sample statistics, that is believed to contain the true population parameter with a certain level of confidence.

Unknown Parameters

Quantities in a statistical model that are not known a priori but are estimated from data.

P-values

The probability of observing a statistic as extreme as, or more extreme than, the statistic observed under the assumption that the null hypothesis is true.