I the Number of Degrees of Freedom Appropriate for the Chi-Square

question 66

Multiple Choice

i. The number of degrees of freedom appropriate for the chi-square goodness-of-fit test is the
Number of categories minus 2.
ii. If there are extremely large differences between observed and expected frequencies the correct
Decision is to reject H0.
iii. There are 2 degrees of freedom for a contingency table classifying three levels of income with
Each gender.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

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Definitions:

Diathesis-stress

A psychological theory that explains disorder as the result of an interaction between a pre-dispositional vulnerability and stress caused by life experiences.

Expressed Emotion

A measure of the family environment that is based on how much criticism, hostility, and emotional overinvolvement are used when talking about the patient.

Serotonin

A neurotransmitter that plays a key role in mood regulation, digestion, sleep, and other bodily functions.

Conflict

A situation or condition in which a person encounters opposition, disagreement, or incompatibility, leading to a state of stress or tension.