Differentiate between the concepts of between-groups variability and within-groups variability.
What will be an ideal response?
Ans: Between-groups variability includes an estimate of the effect of the independent variable and error variance, whereas within-groups variability is pure error variability; that is, variability of scores within experimental groups.
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Which of the following is true about a researcher who made a Type II error?
a) The researcher failed to reject the null hypothesis when it is false. b) The researcher failed to reject the null hypothesis when there is a large probability level. c) The researcher rejected the null hypothesis when it is true. d) The researcher rejected the null hypothesis when the results are statistically significant.
Teacher attrition refers to the number of teachers who
A. are hired by a school district. B. move to a different grade level in the same school. C. are terminated. D. change jobs or quit working.
The term "English language learners" (ELL) refers to students who are
a. already proficient in English. b. conversing in English but struggling with the language of the academic curriculum. c. learning English as their first language. d. speaking English and planning on learning a second language.
Common health problems in early childhood settings are scrapes and cuts, splinters, and conjunctivitis
a. True b. False