By four years of age, all of children’s words should be intelligible for nonfamily members
Indicate whether this statement is true or false.
ANS: T
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Why is it recommended to screen data prior to analysis?
A. It shows up errors in data entry. B. It allows you to prepare tables and figures. C. It helps decide which analysis to conduct. D. To check how data have been collected.
Correlational research has the limitation that
a. only paper-and-pencil instruments can be used to measure the variables of interest. b. it is not possible to form samples by randomly selecting individuals from a defined population. c. correlational statistics can be used for prediction but not for explanation. d. correlational results cannot demonstrate definitively whether two variables are causally related to each other.
Focus lessons are __________
a. information taught through direct instruction to teach the crafts of writing b. a component of the brainstorming portion of writing workshop c. only taught when the teacher discovers that the students share the same writing problem d. the teacher's only opportunity to teach about the conventions of writing
In the effect size formula, what does ? stand for?
a. the sample mean b. effect size c. the population mean d. the population standard deviation