Statistics and Variability in Small N Designs You Should Not

question 16

Multiple Choice

Statistics and Variability in Small N Designs You should not attempt to analyze small N experiments using inferential tests with fewer than 50 measurements per condition because this could

• A)increase the risk of committing a Type 2 error.
• B)reduce statistical power.
• C)threaten external validity.
• D)violate the assumptions underlying many of these procedures.

Recognize the importance of therapist characteristics in influencing therapy outcomes.

Understand the diversity and specificity of therapy approaches for different psychological disorders.

Grasp the concepts and implications of therapy deterioration effects and the client factors associated with treatment outcomes.

Understand the concepts of groupthink and its implications on decision-making.

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Definitions:

Spearman Rank-Correlation

A non-parametric measure of rank correlation, assessing how well the relationship between two variables can be described using a monotonic function.

Nonparametric Test

A type of statistical test that does not assume the data comes from a particular distribution.

Matched-Pairs Sample

A method where each subject is paired based on certain characteristics before being assigned to different treatments for comparison.

Frequency Distributions

Frequency distributions are summaries that show the number of occurrences of values within a dataset, often represented graphically in histograms or tables.