A researcher found significantly different mean scores on an attitude scale for two groups known to be on different sides of the gun control issue. The researcher reported that this finding was evidence of the scale's
a. validity. c. objectivity.
b. reliability. d. divergent index.
A
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Which of the following activities typically takes place at the RtI Tier III level?
a. The development of an IEP with a multidisciplinary team b. Modifications to general classroom instruction c. Small group reinforcement of general classroom skills d. Universal screening for potential learning disabilities
Students could create a portfolio including text, images, and even audio and video using which type of
application? a) graphics package b) multimedia/hypermedia authoring package c) relational database d) spreadsheet
Which of the following statements is true?
A. a test must be reliable in order for it to be valid. B. a test must demonstrate evidence of validity in order for it to be reliable. C. if a test is reliable, it is also valid. D. if a test is valid, it is therefore also reliable.
How many dependent variables does a two?way ANOVA have?
a. One. b. Two. c. Three. d. Four.