You would like to measure whether more men or women recall a new advertisement. You think that a chi-square test will be appropriate, but first you must establish exactly what the analysis does. Which of the following are most representative of this?
A. It compares the frequencies of categories of items in a sample to the frequencies that are expected in the population.
B. It compares the frequencies of categories in the population to those expected in the sample.
C. It compares the mean number of categories in a sample to those in the population.
D. It compares the mean number of frequencies in a population to those in the sample.
Answer: A
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According to a family systems model, a family consists of:
a. Parents and children b. All important influences on children c. Foster families, biological families, and orphanages d. Family and nonfamily members who have important caregiving responsibilities
Three of the following examples illustrate specific strategies that can be effective in helping students with learning disabilities learn classroom material. Which strategy is least likely to be effective with these children?
A) Russell's teacher suggests that he listen to his favorite radio station while he studies for tomorrow's spelling test. B) Nattie's teacher shows her how to use a weekly calendar to keep track of what assignments she needs to complete and when they are due. C) Josie's teacher gives her special memory tricks to help her remember how to spell certain words (e.g., "The principal is my pal"). D) Vern's history teacher loans Vern a videotape that depicts some of the historical events about which the class is reading.
Which is the first element typically found in a "statement of the problem" passage of a research study
a. Audience b. The research problem c. The topic d. Deficiencies of past research or practical knowledge
School systems must constantly educate teachers and students on ways to prevent these kinds of attacks, in which people use online systems to access students' personal data for malicious purposes
A) downloading B) hacking C) spamming D) spying