The relationship between samples and populations may be described as ______.
a. smaller the sample, the more it resembles the population
b. a population is a subset of a sample
c. researchers test research hypotheses about populations by collecting data from samples
d. researchers draw conclusions about samples based on data collected from populations
c. researchers test research hypotheses about populations by collecting data from samples
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Research based practices in classroom management include
a. allowing free interpretation of structure by students b. increasing student choice c. engaging parents in determining contingencies d. maximizing structure, with explicitly defined carefully arranged classroom space.
A researcher divides participants into groups that will engage in low, moderate, or intense levels of exercise. The total calories consumed by participants following the exercise are then recorded. What type of statistical design is appropriate for this study?
A. a related-samples t test B. a two-independent-sample t test C. a one-way between-subjects ANOVA D. a two-independent-sample t test and a one-way between-subjects ANOVA
Answer the following statement(s) true (T) or false (F)
. Defining behavior categories is one way in which researchers can operationalize the variables or behaviors they observe in a natural setting.
The definition of IDD requires that there be limitations in
a. intellectual functioning. b. perceptual-motor skills. c. adaptive skills. d. intellectual functioning and adaptive skills.