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Indicate whether each of the following practices would increase or decrease reliability? a

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Indicate whether each of the following practices would increase or decrease reliability?

a. The teacher decides to give a weekly quiz instead of one major test at the end of the grading period.

b. Jane Smith brags about her diffi cult tests where a large percentage of students fail.

c. On Friday afternoon, Miss Jones postponed the major exam until the following Monday after she heard about the football game scheduled for after school that day.

d. The teacher decided to add 10 easy test items that everyone could answer correctly.

e. The teacher wrote items having a wide range of diffi culty, with most items answered correctly by 40 to 70 percent of students.

f. To save time, Ms. White had the students do only two of the subtests from a standardized test instead of taking the complete test.

g. The teacher decided to give 25 spelling words on the weekly test instead of 10.