When conducting an ANCOVA, which would be the most appropriate order?
A. Explore the data, correct outliers, check independence of treatment variable and covariate, run ANCOVA.
B. Explore the data, check independence of treatment variable and covariate, run ANCOVA, correct outliers.
C. Check independence of treatment variable and covariate, explore the data, correct outliers, run ANCOVA.
D. Correct outliers, check independence of treatment variable and covariate, explore the data, run ANCOVA.
Answer: A
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Dan is a researcher interested in self-esteem. He develops an instrument that he administers to 500 middle school learners. He calculates a self-esteem score for each child in the study and then groups the students as low, medium, or high self-esteem. The instrument illustrates what type of assessment?
a. Affective b. Cognitive c. Projective d. Aptitude
The purpose of instructional media is
A. Entertainment and advertisement B. Replacement of the teacher C. Reduction of planning time D. Communication and learning
Which type of data would be most appropriate to collect to assess how well a student learned a task that was broken into various steps?
A. Response by response data B. Instructional and test data C. Error data D. Anecdotal data
Which best illustrates a fixed-ratio schedule?
a. It varies across time, but on average every 10 minutes, Mr. Coleman gives a merit point to all of the students who are working quietly in their seats. b. Every three times a student earns an A on his homework assignment, Ms. Gonzales does not require the student to turn in the fourth assignment. c. It varies, but on average every five times a student turns in her homework, Mr. Phillips gives her free time to play on the computer. d. Every 10 minutes, Ms. Lewis gives a merit point to all the students sitting in their seats.