Inferential statistics are used to make inferences about
a. populations from data collected on samples.
b. samples from data collected on populations.
c. margins of error.
d. whether to use a parametric or nonparametric test of significance.
a
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Why is it often hard to tell if a child with special needs has been abused?
a. may not be verbal b. may have a difficulty that masks abuse c. both of the above
Describe at least three of the four essential policy-related conditions necessary if teachers are to be able to exploit the potential power of technology
What will be an ideal response?
Why are reliability and validity important issues in standardized testing? Considering the issues of reliability and validity, criticize three of the following claims:
"My test has a very large number of items; it must have strong evidence of content validity." "This is a highly reliable test, so it is unquestionably valuable for measuring our students' achievement." "This student cannot be considered for the gifted program—his IQ is not above 135." "The scores on these art assessments are identical every year—the test must be valid." "We screen all of our chefs using an elaborate test of their knowledge of recipes. This test is valid, even though many chefs who score high on it make awful food, and those who score low on it sometimes make the best dishes." What will be an ideal response?
___ is what follows a unit of instruction to determine student learning of that unit
(a) Time out (b) Preassessment (c) The anticipatory set (d) Formative evaluation (e) Diagnostic assessment (f) Summative evaluation