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A researcher is looking at the effects of competition versus cooperation on learning a foreign language. She theorizes that Ability level will interact with type of instruction to influence foreign language learning. The dependent variable is the number of points on a 100-point Spanish test. The means for the results are in the table below.

-There is a main effect of Instruction.

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A researcher is looking at the effects of competition versus cooperation on learning a foreign language. She theorizes that Ability level will interact with type of instruction to influence foreign language learning. The dependent variable is the number of points on a 100-point Spanish test. The means for the results are in the table below.

-There is a main effect of Instruction.

Quizplus · Accepted Answer

The statement is incomplete and lacks context. In statistical analysis, a "main effect" refers to the impact of an independent variable on a dependent variable. Without additional context or data, it's impossible to determine if there is a main effect of "Instruction."

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