Reporting Statistical Significance

Sample Paper Excerpt

An author reports a regression coefficient (.00014) that gives the effect of dollars spent per citizen (in the state of Illinois) on the percent reduction in cases of West Nile Virus, and reports as well that the p-value is less than .001. The author, on the basis of this information, concludes that spending influences the incidence rates of the disease.

An author reports:

"...a regression coefficient (.00014) that gives the effect of dollars spent per citizen (in the state of Illinois) on the percent reduction in cases of a vector-borne disease, and reports as well that the p-value is less than .001."

The author, on the basis of this information, concludes that spending influences the incidence rates of the disease.

What additional statistic(s) should the author include to make his case more compelling?

The standard error of the estimate or confidence intervals.
Chi-square statistic.
Nothing more is recommended.
Degrees of freedom.

Proceed to the

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