The Goal of Random Assignment to Conditions Is to

question 31

Multiple Choice

The goal of random assignment to conditions is to

• A) ensure that the independent variable occurs prior to the dependent variable.
• B) ensure that participants are selected randomly from the population.
• C) ensure that the participants in the different conditions of the experiment are, on average, equivalent before the experiment begins.
• D) select which individuals will receive which dependent measure.

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Definitions:

Mass Extinctions

Events in Earth's history where large numbers of species become extinct worldwide in a relatively short geological timeframe, drastically reducing biodiversity.

Environmental Factors

Encompasses all external elements and conditions affecting an organism's life, from climate to food availability.

Plate Tectonics

The scientific theory that Earth's outer shell is divided into several plates that glide over the mantle, responsible for various geological phenomena.

Biological Species Concept

A definition of species as groups of actually or potentially interbreeding natural populations that are reproductively isolated from other such groups.