Q8:A researcher was interested in predicting whether a person would attempt to c

Question

Q8:A researcher was interested in predicting whether a person would attempt to commit suicide (score = 1) or not(score = 0) from their depression scores. They found that the odds ratio (Exp B) was 2.56. How should this value be interpreted?

a. Participants will commit suicide 2.56 times in their lifetime.

b. If two people have depression scores that differ by 1 unit, then the odds of the person with the higher score attempting suicide are 2.56 lower than for the other person

c. 2.56 times more people who attempted suicide scored highly on depression.

d. The odds of the person with the higher score attempting suicide are 2.56 higher than for the other person.

Q9:The odds of an event are:

a. The ratio of the probability of an event not happening to the probability of the event happening.

b. The probability of an event occurring

c. None of the above

d. The ratio of the probability of an event happening to the probability of the event not happening

Q10; Which of the following is not a research question which could be investigated with logistic regression?

a. Prediction of group membership

b. Strength of association between outcomes and predictors

c. Differences between groups

d. Interaction between predictors

Explanation / Answer

Answer :- The correct option is (d)

The odds of the person with the higher score attempting suicide are 2.56 higher than for the other person.

Answer 9 ; - The correct option is (d)

The ratio of the probability of an event happening to the probability of the event not happening

Answer 10: - The correct option is (c)

Differences between groups

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