An accountancy firm would like to establish groups of similar taxation policies based on a database they have populated. They are faced with Kaiser’s criterion for retaining factors. What rule should they follow for retaining factors?
A. Retain any factor with an eigenvalue greater than 0.7.
B. Retain any factor with an eigenvalue greater than 1.
C. Retain factors before the point of inflexion on a scree plot.
D. Retain factors with communalities greater than 0.7.
Answer: B
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Why might an elementary science teacher teach a unit on the solar system even though there is nothing about the solar system for the students to manipulate?
a. It is in the curriculum. b. It fosters the process of model building. c. It fosters inferential thinking. d. It is fun. e. All of the above f. None of the above
What was the U.S. Supreme Court addressing in the Mt. Healthy decision?
a. Whether teachers have First Amendment rights in the public schools. b. Whether teachers have a constitutional right to join a union. c. Whether teachers have any control over controversial teaching methods. d. Whether there are legitimate grounds, other than First Amendment rights, that school districts can consider when deciding not to extend tenure to a teacher. e. Whether the Equal Access Act applies to teachers in private schools.
Toddlers’ egocentric behaviors mean that adults should not
a. provide duplicates of materials. b. provide separate play spaces. c. expect toddlers to share. d. support brief cooperative activities.
Normal cognitive changes associated with adolescence include:
A. Increasing capacity for complex and abstract thought. B. Less reliance on concrete conceptualization. C. Increasing capacity for generating single explanations for an event and holding to it. D. Decreasing capacity for flexibility in imagination. E. Increasing capacity for fantasy as a substitute for idealism.