Which of the following has as one of its key characteristics the presence of a true zero point?

a. nominal
b. ordinal
c. interval
d. ratio


Ans: D

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Based on current law, centers may not admit children who are HIV positive.?

Indicate whether the statement is true or false.

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Which of the following Supreme Court rulings handed down the decision that a state-written prayer for use in schools was an unconstitutional violation of the First Amendment?

a. Plessy v. Ferguson (1896) b. Lau v. Nichols (1974) c. Brown v. Board of Education (1954) d. Engle v. Vitale (1962)

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A teacher in a social studies high school class wishes to study whether students are applying historical concepts to the current issues being reported in local newspapers. Both quantitative survey data and interviews are collected during this project. Students are required to participate in the project as one of their assignments during their academic units. What ethical issue in this action

research project should the teacher be concerned about? a. The fact that students do not all like history b. That the survey has strong evidence of validity c. That the teachers has a bias about the value of history in society d. That students should not be coerced into participating in the study

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Explain the scales of measurement, measures of central tendency, dispersion, and relative position?

What will be an ideal response?

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