The null hypothesis typically ______ the researchers’ hypothesis
A. confirms
B. supports
C. contradicts
D. predicts
Ans: C
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Which of the following statements best defines assistive technology?
A) It is an online site that allows visitors to edit or change the available content. B) It is a device or service that increases the capabilities of people with disabilities.? C) It refers to the proficiency in the use of technology, including an understanding of the way technology systems operate.? D) It refers to the divisions between people who are "rich" in technological access and expertise and those who are "poor" in this respect.
Which result is most affected by reliability (or unreliability) of an educational test?
a. The average (mean) of the test scores b. The average (mean) test score for each test-taker c. The standard deviation of observed test scores d. The standard deviation of true scores
Teaching students a series of steps to access teacher attention—allowing them to gain the attention and praise they desire is known as ______ reinforcement
Fill in the blank(s) with correct word
When using classification to develop a concept, the teacher should
a. limit examples to the most common types to avoid confusion. b. include as wide a variety of examples as possible. c. not mix examples and non-examples. d. begin showing examples only after a variety of non-examples have been shown.