Which of the following is an example of a one-group pretest–posttest quasi-experimental research design?
A. A researcher records exam scores before and following a new lecture.
B. A researcher records performance on an athletic task following the implementation of a new training technique.
C. A researcher compares body mass index scores for residents in two cities.
D. A researcher compares the speed at which pitchers from two different teams throw a baseball in each inning during a regular season game.
Ans: A
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What is a Wiki?
a. A secret website that only certain people can access b. A website developed by a teacher or student whose content can be accessed and critiqued by anyone if the restrictions are unlimited c. A form of the World Wide Web d. A website designed to poll people’s opinions
_______ interviews collect detailed accounts of people’s experiences.
a. Expert b. Phenomenological c. Cultural d. Hermeneutic
Which of the following best describes acceleration?
a. Using a pretest to evaluate a student’s existing knowledge of content for a unit, and only teaching material on the objectives not met by the student. b. Skipping grades or keeping students with same-age peers for most subjects while providing instruction above grade level in others. c. Gifted students tutor their peers on content or skills that they have mastered. d. Developing critical thinking and problem-solving skills by providing activities to broaden and deepen knowledge beyond the regular curriculum.
What is your effect size?
The owner of a chain of five retail stores wishes to compare the number of shoplifter apprehensions in her stores for a 1-month period prior to the installation of a new security system to the number of apprehensions in the same stores for a 1-month period after the security system was in place. The new system is much more expensive than the old system, and she doesn’t want to spend the extra money unless the new security system is better than the old system. The apprehension data are as follows:
