65c65In determining the odds that a specific type of antibio

65c.65.In determining the odds that a specific type of antibiotic preparation will cure otitis media in children, the odds ratio value was calculated to be greater than 1. With increases in the predictor, what will this mean for the outcome of the result?

A greater chance of a cure being achieved than if not treated.

A lesser chance of a cure being achieved.

65a.When would you use the Kruskal–Wallis test?

When data are normally distributed

When data are not normally distributed

When assumptions have not been violated

None of the above

A lesser chance of treatment being effective.

None of the above.

65b.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 value of exp b was 2.56. How should this value be interpreted?

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 higher than for the other person.

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

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.

Suicide rates are 2.56 times as high in depressed people.

Large log-likelihood values do not show:

The extent of the relationship between independent and dependent variables.

That there are a large number of unexplained observations in the data.

That there is a large measure of deviance.

That the model is a good fit.

Solution

With increases in the predictor, this mean for the outcome of the result A greater chance of a cure being achieved than if not treated as OR>1 Exposure associated with higher odds of outcome.

Kruskal Wallis will be used when data are not normally distributed.