A Researcher Reports a Significant Effect with T(14)= 3

question 42

Multiple Choice

A researcher reports a significant effect with t(14) = 3.24.Compute eta-squared for this result.

• A) = 0.43 (large effect size)
• B) = 0.43 (medium effect size)
• C) = 0.37 (large effect size)
• D) = 0.37 (medium effect size)

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Definitions:

Forecast Method

Techniques used to predict future aspects of a business or operation, such as sales, trends, or consumer demand, based on historical and current data.

Exponential Smoothing

A time series forecasting method for univariate data that involves using weighted averages of past observations, with the weights decreasing exponentially as the observations get older.

Solver

A computational tool or software that finds solutions to mathematical problems or optimizes operational models.

Alpha

In finance, alpha is the measure of the active return on an investment compared to a market index used as a benchmark.