'Duplication Is the Heart of Good Research

question 23

Multiple Choice

'Duplication is the heart of good research.' This means that

• A)no findings can be taken seriously unless others can repeat the process and obtain the same results.
• B)the researcher does the study twice under different conditions.
• C)the research is published at least twice.
• D)two sets of reviewers reach the same evaluation of the research.

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Definitions:

Coefficient of Determination

A measure, often represented as R^2, that quantifies the proportion of the variance in the dependent variable that is predictable from the independent variable(s).

Variance

A measure of how far individual numbers in a dataset are from the mean, squared.

Correlation Coefficient

A statistical measure that calculates the strength and direction of a linear relationship between two variables, ranging from -1 to +1.

Continuous

Refers to a type of variable or data that can take an infinite number of values within a given range.