Concept explainers
i.
For the claim ‘Do Canadian children whose parents are librarians score higher than Canadian children in general on reading ability?’ provide the following:
(a). Mention the populations that are compared.
(b). State the research hypothesis.
(c). State the null hypothesis.
(d). Identify whether a one-tailed or a two-tailed test should be used.
ii.
For the claim ‘Is the level of income for residents of a particular city different from the level of income for people in the region?’ provide the following:
(a). Mention the populations that are compared.
(b). State the research hypothesis.
(c). State the null hypothesis.
(d). Identify whether one-tailed or two-tailed test should be used.
iii.
For the claim ‘Do people who have experienced an earthquake have more or less self-confidence than the general population?’ provide the following:
(a). Mention the populations that are compared.
(b). State the research hypothesis.
(c). State the null hypothesis.
(d). Identify whether one-tailed or two-tailed test should be used.
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Statistics for Psychology
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