Which of the following is not a feature of zero in the Hindu–Arabic system of numbers?
a. Zero is a placeholder.
b. Zero represents multiplication by 10.
c. Zero allows compact representation of large numbers.
d. Zero is the easiest number to multiply by in this system.
ANSWER:
d
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While in the uterus, what is the first sound an infant hears?
a) The mother's voice. b) The mother's heart. c) The mother's breathing. d) Nothing; the birth process stimulates the auditory system.
Which one of the following children provides the best example of emergent literacy?
a. Two-year-old Torina tears several pages out of the family telephone book before her parents realize what she's doing. b. When four-year-old Jack plays school with his older sisters, he fills a sheet of paper with lines of random letters. c. Donna is only five years old, and already she can read many storybooks independently. d. Six-year-old Yasser understands basic rules of phonics but does not yet know how to spell many words that are exceptions to the rules.
According to research by Doctorow, Wittrock, and Marks, students who were asked to write a summary of text they read:
a. performed better on subsequent comprehension tests than students who were not told to write summaries b. performed worse on subsequent comprehension tests than students who were not told to write summaries c. performed about the same on subsequent comprehension tests as students who were not told to write summaries d. performed better on subsequent comprehension tests than students who were not told to write summaries for poor readers but not for good readers
Professor Harris is constructing a demographic questionnaire for use in a research project. One question asks students to report their highest level of education by choosing from these options: "some high school," "completed high school," "some college," or "completed 4-year college degree." This is an example of a/an:
a. nominal scale. b. ordinal scale. c. interval scale. d. ratio scale.