In a t-test for dependent samples that examines the difference between a pretest and posttest, what type of hypothesis is used?

a. nondirectional
b. directional
c. null hypothesis
d. experimental


Ans: b

Education

You might also like to view...

A ____________________ motion is the method of bringing business before the assembly for discussion and action

Fill in the blank(s) with correct word

Education

Foods that are irradiated may lose small amounts of some nutrients including:

A. beta carotene and vitamin A B. vitamin E and vitamin C C. vitamin C and thiamin D. all answers are correct

Education

When looking at the content of differentiated instruction, which of the following does not belong?

A. flexible grouping B. instruction is concept focused and principle driven C. several elements and materials are used D. tasks and objectives are aligned with learning goals

Education

Instead of using portfolios to show only the good work, Mrs. Wright wants to use portfolios to present the growth of her students. She wants to include initial and final student products, allowing parents to see how much their children have learned. What kind of portfolio is Mrs. Wright utilizing?

A. A growth portfolio B. A best-work portfolio C. An improvement portfolio D. An authentic portfolio

Education