Groups Created Through Random Assignment Should Be Comparable on Which

question 100

Multiple Choice

Groups created through random assignment should be comparable on which characteristic?

• A) bicycle-riding ability
• B) ethnicity
• C) language skills
• D) all of these

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Definitions:

Marginal Means

It refers to the average value of a variable within a dataset, taking into account the levels of another variable.

Profile Plot

A profile plot is a graph that displays the interactions between factors in a multivariate analysis, showing how different profiles respond across conditions.

Interaction Effect

A phenomenon in statistical analysis where the effect of two or more variables on an outcome is not simply additive, indicating that variables interact in predicting the response.

Degrees of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution or to a system without violating any constraints.