Which of the Following Geologic Time Periods Ended with Most

question 19

Multiple Choice

Which of the following geologic time periods ended with most life forms surviving to the next period?

• A)Triassic
• B)Ordovician
• C)Permian
• D)Carboniferous
• E)Devonian

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Definitions:

Random Factor

A random factor is an unpredictable variable that can influence the outcome of an experiment or situation, often beyond control.

Dependent Variable

In research, the variable being tested and measured, expected to be influenced by another variable known as the independent variable.

Self-Report Biases

Distortions in self-report measures due to systematic differences between what respondents report and what is true, often driven by social desirability or memory inaccuracies.

Placebo Effects

Phenomena where an individual experiences a beneficial effect from a treatment that has no therapeutic properties, due to their belief that they are receiving an active treatment.