Results of a descriptive study on the hyperactive behavior of fifth-grade students found that hyperactivity increased on those days when the students consumed a lot of candy. The researcher concluded that hyperactive behavior in 11- and 12-year-olds could be decreased by reducing or eliminating candy from the students' diet. Which criterion for descriptive studies was violated in this example?
a) The researcher should provide detailed descriptions of the subjects used in the study.
b) Descriptive studies cannot be used to investigate behavior.
c) The sample in the study was restricted to fifth graders.
d) Descriptive studies do not assume causal relationships between variables.
d
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The best way to encourage smaller portion sizes for children and adults is to
a. eat at fast food restaurants. b. drink water with meals. c. use paper plates and bowls. d. use smaller plates and bowls.
Once those learning English can easily converse in both formal and informal settings, why is vocabulary instruction still important?
A. Those acquiring English develop BICS capability before CALP. B. Academic language is needed for ELLs to progress in school. C. CALP should always be the focus of teachers of ELL students. D. Teachers should attend less to vocabulary and more to fluency.
Which of the following is a likely data source for discourse analysis?
a. Interviews b. Surveys c. Everyday conversations d. Photographs
What three characteristics do successful schools share?
What will be an ideal response?