Hypothesis testing is best described as which of the following?
A. A category that groups objects, events, and characteristics on the basis of common properties
B. The process of individuals deciding if an item is a member of a category by comparing it to established category elements
C. A specific assumption or prediction that can be tested to determine the accuracy of a hypothesis
D. Visual representations of a concept's connections and hierarchical organization
Answer: C
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A pediatrician finds that the mean age at which the children who visit her first walk alone is 15 months. She notices that the children from a neighboring town seem to start walking alone at an earlier age. She selects a random sample of 30 kids from this town and finds that the mean age at which they first walk alone is 13.5 months, with a standard deviation of 6 weeks. She wants to know if this group of children is significantly different from all those who visit her. What test should she use?
What will be an ideal response?
If your instructor posts to your class website PowerPoint slides that include definitions, quotations, or formulas, you should probably
A. skip taking notes and just use the slides. B. avoid copying formulas. C. wait to download them until you really need them. D. add definitions and formulas to your notes.
Which of the following is not a requirement of an effective PLC?
A. shared leadership B. agreement on instructional approaches C. shared responsibility D. willingness to try new things
The belief that girls are naturally passive, weak, illogical, indirect, gentle, and very emotional is an example of a:
A. gender role stereotype. B. belief found only in schools. C. belief found only in the family. D. timeless truth.