You Are Scrubbed on a Carpal Tunnel Procedure and the Surgeon

question 33

Multiple Choice

You are scrubbed on a carpal tunnel procedure and the surgeon asks for a small self-retaining skin retractor. You would hand him/ her a:

• A) Heiss
• B) Beckmann
• C) Senn
• D) Ragnell

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Definitions:

ANCOVA

Analysis of Covariance, a statistical technique that combines ANOVA and regression to analyze the impact of one or more categorical independent variables on a continuous dependent variable, while controlling for one or more covariates.

Dependent Variable

The outcome variable or the predicted variable in a regression equation.

Repeated-Measures ANOVA

A statistical technique used to compare means across more than two conditions or times, with the same subjects participating in all conditions.

ANCOVA

Stands for Analysis of Covariance, a statistical technique that blends ANOVA and regression to evaluate whether the means of a dependent variable are equal across groups, adjusting for the effects of other variables.