An effect size indicator tells the researcher:
a. How big of an effect is present
b. If a result is statistically significant
c. about the strength of statistical significance
d. about the strength of the null hypothesis
Ans: a
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Which of the following are scientific attitudes?
a. ?Positive approach to failure and self-image b. ?Curiosity c. ?Skepticism d. ?All of these answers
Educational apps aimed at young children tend to have no evidence of efficacy, likely because ______.
a. an adult needs to be involved when the preschooler is using the app in order for it to be truly educational b. preschoolers tend to have little interest in mobile devices c. most educational apps feature shapes rather than numbers d. bright colors and moving objects are not helpful in fostering cognitive development
Which of the following is not a recommended item-writing rule for the creation of binary-choice items?
A. Include only a single concept in any statement. B. Phrase items so that a superficial analysis by students will suggest an incorrect answer. C. Rarely use statements containing double negatives, although single or triple negatives are acceptable. D. Keep item-length similar for both of the binary categories being assessed.
Why is summarization an important skill for students to learn?
What will be an ideal response?