The hypothesis is derived from the second step
Indicate whether the statement is true or false
F
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A placebo is an independent variable, typically an active treatment
Indicate whether the statement is true or false
Two classes of students at different schools are closely matched on IQ scores. One class is being taught with the standard method and the other class is being taught with a new technique
The two classes are then to be compared on scores from a standardized test at the end of the year. a. since the classes are matched, any difference at year's end is due to the teaching technique b. even though matched on IQ scores, the classes may not be equivalent on many other variables c. because there was no pretest, no valid comparisons can be made d. maturation is a major confounding variable in this study
lobbyists
What will be an ideal response?
One of the various activities that parties engage in is __________
a. dividing the electorate b. narrowing voter choice c. encouraging candidates to run d. reducing accountability mechanisms