A bar owner randomly draws a sample of 25 patrons and learns that he sells an average of 3.5 drinks to each. One night, he strategically places bowls of salty peanuts and pretzels about the bar and discovers that in a sample of 25 patrons, the mean consumption was 4.2 drinks. How could he determine if his treats increased consumption?
What will be an ideal response?
Correct Answer:
t-test for independent means
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Charmaine's teacher sampled her reading from a passage at the fifth-grade level and found that she read at a correct rate of 43 words per minute with no errors. What is Charmaine's teacher most likely to conclude based on this information?
a. Charmaine is a careless reader. b. Charmaine cannot read grade level material. c. Charmaine has a problem with reading rate. d. Charmaine has a problem with reading accuracy.
Students in an eighth-grade class are studying the Civil War in social studies. As part of this unit of study, they work together to create a semantic map of words associated with the Civil War, including words that they have recently learned (e.g., emancipation, habeas corpus). This activity is most likely to promote students' vocabulary development by
A) showing them how context can be used to determine the meaning of new vocabulary. B) providing them with fun experiences using the new vocabulary. C) helping them to categorize, visualize, and remember new vocabulary. D) guiding them to discover the multiple meanings of new vocabulary.
Explain the connection between kindergartners' vocabulary development and literacy development
What will be an ideal response?
Which is NOT one of the four common impediments to students developing a sense of school community?
a. adjustment b. desperation c. difficulty d. isolation