These instructions apply to questions 58–62. Instructions: T…

These instructions apply to questions 58–62. Instructions: The question shown below was prepared for use in a social studies test. The intended correct answer is in parentheses. Evaluate this item in terms of how well it complies with the textbooks guidelines for writing this type of test item. Then answer the questions below. Item to Analyze: The first prime minister of Canada was ________. (Sir John A. Macdonald)

A researcher studied 100 patients to determine if there was…

A researcher studied 100 patients to determine if there was a significant difference among five drugs for relief of arthritis pain.  Pain was measured using a standardized scale from 0-100, with 0 indicating no pain.   The decrease in pain over 1 month was evaluated.  A one-way ANOVA was significant, and the results below show the amount of pain relief using a Student-Newman Keuls comparison.  Which of the following statements is not a correct conclusion?