“Thirty minutes before bed, will taking a brisk 20-minute walk or doing Yoga facilitate time to fall asleep more?” as a research question is a ______ question.
a. behavior
b. application
c. descriptive
d. causal
Ans: A
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Research indicates that ____ and ____ are more likely to drop out of school
a. younger students? those from lower-income backgrounds b. older students? those who live in rural areas c. older students? those from lower-income backgrounds d. younger students? those who live in the North and East
O X O O represents the
a. pretest-posttest control group design b. posttest-only control group design c. multiple conditions design d. nonequivalent control group design
Emphasizing distinctive features when teaching young children to recognize letters
a. helps them to distinguish between letters afterwards and minimizes frustration due to errors. b. helps them to create a holistic template for letters. c. helps them to understand the underlying principles of phonics and learn to read more quickly. d. is of no demonstrable benefit.
The sample mean is an example of _________
a. interval estimation c. confidence point b. point estimation d. confidence numbers