Which of the following is not a reason for multicollinearity being a problem in regression?
A. It limits the size of R.
B. It makes it difficult to assess the importance of individual predictors.
C. It leads to unstable regression coefficients.
D. It creates heteroscedasticity in the data.
Answer: D
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What type of assessment is characterized by multiple-choice, true/false, matching, and fill-in-the-blank question formats?
a. Forced-choice c. Open-ended response b. Multiple-choice d. Authentic
Which of the following would most likely help students improve their reading fluency?
a) Elkonin Boxes b) Choral Reading c) Graphic Organizers d) Round Robin Reading
An approach to teaching language-minority students for most of the day in their native languages and later make the transition to English is
A) native-language emphasis. B) sheltered-English approach. C) ESL. D) sheltered-native language approach.
Which one of the following statements is not correct?
a. A hypothesis must be testable. b. A hypothesis must have explanatory power. c. A hypothesis must be consistent with the existing body of knowledge. d. A hypothesis must be based on a well-established theory.