Over a 10-year period, Professor Dohner followed the same group of schoolchildren, measuring their performance on an intelligence test twice a year. Which method of data collection did Professor Dohner use?
A. Cross-sectional
B. Longitudinal
C. Cross-sequential
D. Clinical
B. Longitudinal
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If your professor is only interested in the test performance of students in her class, the class is her
a. Pppulation. c. biased sample. b. random sample. d. non-probability sample.
A first year teacher is told by his principal that he needs to do a better job of integrating technology during language arts instruction. What is the best way he can respond to the principal's request?
a. Use online resources to identify worksheets that can be printed out and completed during the language arts time block. b. Give students a list of websites they can access at home. c. Identify and use high-quality resources recommended by colleagues, rated highly by consumer groups, and endorsed by professional organizations. d. Wait for more professional development opportunities focused on technology use in language arts.
The purpose of Early Head Start is to:
a. serve low-income children and very young children b. provide free food to women, infants, and children c. guarantee a free appropriate public education d. provide ongoing training and consultation to programs
In meta-analysis, the common measure for expressing results across studies is:
a. mean difference. b. extent of variance. c. effect size. d. median ratio.