Poulsen and Colleagues (2014) Conducted a Randomized Controlled Trial of Psychoanalytic

question 38

Multiple Choice

Poulsen and colleagues (2014) conducted a randomized controlled trial of psychoanalytic psychotherapy and cognitive-behavior therapy. Participants randomly assigned to the psychoanalytic therapy group received:

• A) 20 weekly sessions.
• B) 40 weekly sessions.
• C) 1 year of weekly sessions.
• D) 2 years of weekly sessions.

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Definitions:

Standard Normal

A normal distribution with a mean of zero and a standard deviation of one, commonly used in statistical analyses.

Mean

The arithmetic average of a set of values or measurements, calculated by summing them all up and dividing by the number of values.

Standard Deviation

A statistic that measures the dispersion or variability of a set of data points relative to its mean.

Normal Distribution

A bell-shaped frequency distribution curve where most of the occurrences take place near the mean and fewer and fewer occur as one moves away from the mean.