Scientists Recently Succeeded in Drilling Through the Crust to Reach

question 43

True/False

Scientists recently succeeded in drilling through the crust to reach the mantle.

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Definitions:

Confounding Variable

An outside influence that changes the effect of a dependent and independent variable. This extraneous influence is used to influence the outcome of an experimental design.

Volunteer Bias

A shortcoming of findings derived from a sample of volunteers instead of a representative sample; the volunteers may differ from those who did not volunteer.

Experimenter's Bias

A form of bias introduced by the experimenter whose expectations about the outcome of the experiment can be subtly communicated to the participants.

Confirmation Bias

The tendency to search for, interpret, favor, and recall information in a way that confirms one's preexisting beliefs or hypotheses.