BRM Test Bank 9 with Complete Questions and Answers 100% Correct(RATED A)

Who credited with the invention of experimental design? - ANSWER-Ronald Fisher As early as 1901, ______________ recognized the ned for a control group. - ANSWER-E.L Thorndike The Latin-square design derives from the work of __________. - ANSWER-William McCall The first clinical trial was conducted by _____________. - ANSWER-Austin Bradford Hill The foundational randomized clinical trial, of polio vaccine, was conducted by _____________. - ANSWER-Jonas Salk The statement " If X then Y" is a statement of ______________. - ANSWER-causality The statement of 'If x then Y and if not X then not Y" is a statement of ______________. - ANSWER-covariance R X O R O What type of design is shown here? - ANSWER-basic two-group post-test only randomized experiment Sue, and instructor, wonders whether using a red pen to correct papers is really necessary, as it has always seemed rather harsh to her. When her students complete a pretest, she randomly assigns them to a "Red Pen" group and a "Gold Pen" group, corrects their papers using the corresponding colors, and returns the students' papers.