In1930 and 2000,the Earth's Population Increased by

question 37

Multiple Choice

In1930 and 2000,the Earth's population increased by

• A)500,000.
• B)1.5 billion.
• C)4 billion.
• D)12 billion.

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Definitions:

Pre-existing Groups

Groups in research studies that are formed based on characteristics or conditions present before the study, not created by the researcher.

Nonequivalent Control Group Design

An experimental design in which the control group is not randomly selected or assigned, potentially allowing for confounding variables.

Randomly Assign

The process of assigning study participants or experimental elements to different groups using a method based on chance.

Nonequivalent Control Group Pretest-posttest Design

A quasi-experimental design involving two groups not created through random assignment, where both groups are tested before and after an intervention.