25. Students’ percentages on an assignment indicate how much the students mastered the content covered by the
assignment. This is an example of which scale?
a. Ratio scale, because percentages can be used to label students into pass and fail categories.
b. Ordinal scale, because percentages have a true zero value and can be used to rank the students.
c. Interval scale, because even if the students get a 0% it does not indicate a true zero.
d. Ratio scale, because a 0% means the student did not get any correct point in the assignment.
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Question 5
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30. ___________can be defined as changes over time, often caused by biological forces.
a. Selection
b. Regression
c. Maturation
d. Instrumentation
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Question 6
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7. Basic research is research that _________________.
a. has no immediate application at the time it is completed
b. is conducted to solve practical problems
c. has Immediate application at the time it is completed
d. is designed to answer specific questions
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Question 7
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36. Content validity measures how well ______.
a. a test estimates a criterion
b. a test assesses some underlying construct
c. the items represent the entire universe of items
d. a test predicts a criterion
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