Suppose that a researcher selects a sample of participants from a population. If the shape of the distribution in this population is negatively skewed, then what is the shape of the sampling distribution of sample variances
A. approximately positively skewed
B. approximately negatively skewed
C. approximately normally distributed
D. there is not enough information to answer this question because the population mean and variance are not given
Ans: A
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Which of the following factors has made discrete mathematics problems more accessible to students in recent years than the problems had been in the past?
a. New applications of the concepts. b. Better-written textbooks. c. Improved teaching strategies. d. Development of technology. e. Influence of national and state-level tests.
Proper discipline:
A. teaches right from wrong. B. avoids automatic compliance with authority. C. extends into the community. D. delivers punishment when needed.
The practice of inclusion involves which one of the following?
a. Keeping students with disabilities together in one class so they can take part in all of their classroom's activities. b. Selecting high-achieving students to help with the instruction of special needs students. c. Educating all students, including those with special needs, in the general education classroom. d. Incorporating instruction in social skills into the regular classroom curriculum.
If you were working as a literacy coach, which of these should you recommend to other teachers for teaching meaning vocabulary?
A. It is unnecessary to include extensive reading as one of your goals for delayed readers because greater impact is achieved from direct practice exercises for learning word meanings. B. Because students cannot learn meaning vocabulary from incidental context, it is important to provide pedagogical context for words. C. Don't work on word opposites (i.e., antonyms); this is no longer considered a useful exercise. Focus instead on synonyms. D. Help students learn word meanings well, assisting them to develop breadth and depth of information, otherwise knowledge of a word's meaning likely will not have an affect on comprehension.