How can the reliability of test results best be increased?
a) Make items difficult.
b) Increase the length of the test.
c) Make items easy.
d) Replace multiple-choice items with essay questions.
b To increase test reliability a teacher can increase the number of test questions.
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When solid particles are broken down into invisible particles when placed in a solvent, this is called:
A. condensation. B. ions. C. dissolving. D. solutions.
Standard error of measurement is used to determine confidence intervals
Indicate whether the statement is true or false
A research design in which the same participants are observed in each group of a research study is called ______.
A. within-subjects design B. between-subjects design C. mixed factorial design D. randomized design
Although credit cards can be useful for emergencies, they should be used with caution in other situations. Which of the following are reasons for using credit cards with caution? Click all that apply.
A. Credit is more acceptable to merchants than cash. B. Late payments can damage your credit rating. C. They can have high interest rates. D. The more you use them the more rewards points you get. E. They can lead to addictive spending.