What has led to the popularity of the use of item response theory, and why?
What will be an ideal response?
Ans: Computers, because IRT requires huge amounts of data and at least 500 individual test results for results to be trustworthy.
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The basic aim of multiple regression is to
a. calculate the correlation between a combination of independent variables and a number of dependent variables. b. calculate the average of a combination of correlation coefficients between predictors and criterion. c. develop a correlation matrix. d. calculate the correlation between a combination of independent variables and a single dependent variable.
Of the following, which is a concern for correlational studies in particular?
a. Is the method used to record responses described? b. Is the rationale for variable selection described? c. Is a rationale for the design selection given? d. Is the method for group formation described?
In regard to reading instruction, what do results of research on auditory discrimination training show?
A. Good exercises to use with beginning readers are those that ask them to discriminate between environmental sounds. B. An example of a good and easy-to-accomplish activity is one in which the teacher simply taps on various items in the classroom (such as a desk, the chalkboard, and a window), asking students to identify what is tapped. C. Training students to identify differences between nonverbal, environmental sounds such as alarm clocks ringing and lawn mowers grinding is as effective as exercises that help students discriminate phonemic elements of letters and words. D. Instruction with nonverbal sounds does not transfer to the phonemic skills needed for reading.
The supervisor praises the teacher thinking and sharing of examples that will identify the components of the problem. Which behavior builds this trust and relationship between them?
a. Encouraging b. Presenting c. Standardizing d. Negotiating