The most significant threat to internal validity of the time series design is
a. history.
b. maturation.
c. regression.
d. mortality.
a
You might also like to view...
According to whose 1999 research has the disparity between the technology “haves” and “have-nots” become increasingly evident?
a. U.S. Department of Commerce c. Gray, Thomas and Lewis b. U.S. Department of Education d. Wells and Lewis
Today, evidence-based practices can be defined as
a. individualized education based on IEP goals. b. teaching methods verified by research as effective. c. alternative curriculum content to the curriculum standards. d. a “magic feather” that is seldom effective.
Which Supreme Court case determined that children of illegally immigrated parents could not be denied a U.S. public education?
a. Brown v. Board of Education of Topeka, Kansas b. Plyler v. Doe c. Obama v. Beau d. Bush v. Gore
Which is an example of the use of occupations?
A. paper folding and cutting with scissors B. balls of colored yarn and blocks C. geometric shapes and natural objects D. use of beans and pebbles