A video microscope is a scientific instrument that extends our ___________and improves observations
Fill in the blank(s) with the appropriate word(s).
Senses
You might also like to view...
Causal-comparative or ex post facto research is widely used because
a. such studies have greater internal validity than do quasi-experimental studies. b. the law of the single significant independent variable can be more readily applied in ex post facto research than in experimental research. c. it is not possible to experimentally manipulate many variables of interest . d. Campbell and Stanley are exuberant in their praise of ex post facto research.
Given a sample of those who did not respond to a mailed questionnaire, the main purpose for interviewing the sample is to
a. increase the size of the sample. b. attempt to change the results that the investigator did not like. c. discover which items were unclear to the subjects. d. determine whether non-respondents differ from respondents. e. determine what the non-respondents think about the questionnaire.
A marketing consultant would like to analyse whether an advertisement is recalled or not by a group of consumers, predicted by the number of hours of television they watch. He has received various pieces of advice from colleagues. Which should he listen to?
A. Logistic regression is not suitable with this predictor variable. B. Logistic regression is not suitable as the dependent variable only has two categories. C. Logistic regression is not suitable as only one predictor variable is postulated. D. Logistic regression is perfectly acceptable for this model.
"Jason," David Jensen, a fifth-grade teacher, says sternly after Jason has snickered at Marvin when Marvin struggled to answer a question. "We stay completely quiet when one of our classmates is attempting to answer a question."
The variable in the Model for Promoting Student Motivation to which David's admonishment most closely relates is: a. metacognition. b. personal teaching efficacy. c. order and safety. d. teacher expectations.