An automobile manufacturer measures the mean braking distance for each of 40 new automobiles both before and after they have been installed with a special brake pad. He would like to know if the special brake pad makes a difference in mean braking distance. What test would you choose to answer the question?
What will be an ideal response?
Correct Answer:
t-test for dependent means
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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.
Describe the concept of a community school. Discuss the roles of parents, teachers, and community members in such an endeavor. Give an example of an activity that might happen in a 21st Century Learning Center
What will be an ideal response?
Which of the following are assertive communication strategies which can be used to develop self-advocacy and empowerment:
a. Be calm and direct in expressing feelings and desires b. Employ "I statements" c. Explain reactions to and feelings about others behavior d. All of the above
Instruction in ______ focuses on helping students master the sounds in the language.
a. phonics b. fluency c. phonemic awareness d. vocabulary development