wondered whether a sample of Canadian adults had different scores than adults in England. If they were different, the English norms would not be valid for use in Canada. The mean for 30 Canadian...

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Extracted text: wondered whether a sample of Canadian adults had different scores than adults in England. If they were different, the English norms would not be valid for use in Canada. The mean for 30 Canadian adults was 17.5. For the purposes of this exercise, assume that the standard deviation of the adults in England is 3.2. a. Conduct all six six steps. steps of a z test. Be sure to label all b. Some words on the GNT are more commonly used in England. For example, a mitre, the headpiece worn by bishops, is worn by the archbishop of Can- terbury in public ceremonies in England. No Cana- dian participant correctly responded to this item, whereas 55% of English adults correctly responded. Explain why we should be cautious about applying norms to people different from those on whom the test was normed. When we conduct a one-tailed test instead of a two-tailed test, there are small changes in steps 2 and 4 of hypothesis testing. (Note: For this example, asSLume that those from populations other than the one on which it was normed will score lower, on average. That is, hypothesize that the Canadians will have a lower mean.) Conduct steps 2, 4, and 6 of lhypothesis testing for a one-tailed test. C. d. Under which circumstance-a one-tailed or a two-


Extracted text: 7.48 The Graded Naming Test and sociocultural differences: Researchers often use tests to compare their samples to known population norms. The Graded Naming Test (GNT) asks respondents to name objects in a set of 30 black-and-white drawings. The test, often used to detect bram damaye, sars withh easy words like kangaroo and gets progressively more difficult, end- ing with words like sextalt. The GNT population norm for adults in England is 20.4 Robers (20003)