The Two Samples Whose Statistics Are Given in the Table $$\begin{array} { | c | c | c | } \hline n & \text { Mean } & \text { SD } \\\hline 12 & 45 & 6 \\\hline 16 & 41 & 8 \\\hline\end{array}$$

question 42

Multiple Choice

The two samples whose statistics are given in the table are thought to come from populations with
Equal variances. What is the pooled estimate of the population standard deviation? $$\begin{array} { | c | c | c | } \hline n & \text { Mean } & \text { SD } \\\hline 12 & 45 & 6 \\\hline 16 & 41 & 8 \\\hline\end{array}$$

• A) 7.22
• B) 7.14
• C) 7
• D) 2.65
• E) 10

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Definitions:

Extinction

In psychology, the gradual decrease and eventual elimination of a conditioned response when the reinforcement is no longer provided.

Anxiety Hierarchy

is a list of situations that cause anxiety, ranked from least to most anxiety-provoking, used in exposure therapy.

Baseline Data

Initial collection of data which serves as a reference for assessing future observations or the effects of interventions over time.

Visualized

Formation of a mental image or representation of something, often used as a technique in therapy and personal development to enhance understanding or motivate change.