The reliability of a spelling test is .80 . If the test is doubled in length, the reliability of the test will be approximately
a. .80.
b. .84.
c. .89.
d. .90.
e. 1.60.
C
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When Ms. Tavernari learns that DiShawn, who is Black and from a low-SES background, scored very high on the SAT, she congratulates him but is clearly surprised that he did so well. Which of the following concepts is illustrated?
a. Flynn effect b. stereotype threat c. big-fish–little-pond effect d. microaggression
One benefit of PECS is that students who use it
A) are more successful in the adult workplace. B) develop advanced language skills. C) learn to initiate requests for items. D) learn to wait for an adult to attend to their needs.
The IDEA specifically establishes standards prescribing the maximum level of education to be accorded children with disabilities. (Rowley)
Indicate whether the statement is true(T) or false(F).
Answer the following statement(s) true (T) or false (F)
The sum of the squared differences of scores from their mean is zero.