It is easier to reject the null using a one-tailed test of significance. Why?
What will be an ideal response?
Correct Answer:
The critical values are smaller for a one-tailed test. Therefore, a smaller z-value is required to reject the null hypothesis.
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When a student knows left–right and top–bottom page orientation and recognizes a sentence in a text, he or she is
using: a. phonics. b. structural analysis. c. concepts of print. d. phonology.
One in five children in the United States is poor
a. True b. False
It is inappropriate for caregivers to consider families’ ideas about putting babies on schedules
a. True b. False
The research on ability grouping
a. is conclusive, and it offers strong support for grouping b. is conclusive, and it offers little or no support for grouping c. suggests that grouping widens the academic differences that young children bring to kindergarten and the first grade d. suggests that grouping narrows the academic differences that young children bring to kindergarten and the first grade