Don Has Been Suffering from Some Intense Feelings of Anxiety

question 174

Multiple Choice

Don has been suffering from some intense feelings of anxiety and decides to seek some help from a psychotherapist. Unfortunately, there is long waiting list and the first available appointment is 9 weeks away. Disappointed, Don decides to put his name on the waiting list anyway. A few weeks pass and even though he has done nothing to address the problem, Don's anxiety symptoms begin to fade and eventually disappear. This example best demonstrates the phenomenon called

• A)spontaneous remission
• B)insight
• C)the deterioration effect
• D)the placebo effect

---

Definitions:

T-test

A statistical analysis method that contrasts the average values of two groups to ascertain if their difference is statistically significant.

Analysis of Variance (ANOVA)

A statistical method used to compare the means of three or more samples to find out if at least one of the sample means is different from the others.

Sum Squares Error (SSE)

A statistical measure used to determine the variance or deviation of observed values from the true values, often used in the context of linear regression analysis.

Between-treatments Variation

The differences in group means in an experiment that are attributed to the effect of the independent variable.