Which Experimental Design Means That Two Groups of Test Units

question 36

Multiple Choice

Which experimental design means that two groups of test units were randomly assigned to two different treatment groups at the same time,and the dependent variable was measured in the two groups simultaneously?

• A) X O1 O2
• X O1 O2
• B) R X1 O1
• O2 X2 O2
• C) R X1 O1
• R X1 O1
• D) R X1 O1
• R X2 O2

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Definitions:

Maturity Value

The sum paid to an investor at the conclusion of a predetermined investment period, encompassing both the original amount invested and the interest earned.

Compounded Monthly

The calculation of interest that adds the earned interest back to the principal sum each month, resulting in interest earnings on interest.

Population Growth

The increase in the number of individuals in a population, usually measured over a specific period and influenced by factors such as birth rates, death rates, and migration.

Expected Population

An estimation of a population size in the future based on current trends and changes.