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10.28 Choosing a hypothesis test: For each of the fol- lowing three scenarios, state which hypothesis test you would use from among the four introduced so far: the z test, the single-sample t test, the paired-samples t test, and the independent-samples t test. (Note: In the actual studies described, the researchers did not always use one of these tests, often because the actual experiment had additional variables.) Explain your answer. a. A study of 40 children who had survived a brain tumor revealed that the children were more likely to have behavioral and emotional difficulties than were children who had not experienced such a trauma (Upton & Eiser, 2006). Parents rated children's difficulties, and the ratings data were compared with known means from published population norms. b. Talarico and Rubin (2003) recorded the memo- ries of 54 students just after the terrorist attacks in the United States on September 11. 2001-some memories related to the terrorist attacks on that day (called flashbulb memories for their vividness and emotional content) and some everyday memories. They found that flashbulb memorics were no more consistent over time than everyday memories, even though they wvere perceived to be more accurate. The HOPE VI Panel Study (Popkin & Woodley, 2002) was initiated to test a U.S. program aimed at improving troubled public housing develop- ments. Residents of five HOPE VI developments were examined at the beginning of the study so researchers could later ascertain whether their qual- ity of life had improved. Mearns at the beginning of the study were compared to known national data Sources (e.g the US. Census, the American Hous- Surpnput s.asaras Autuns pry r n i means and sndard deviarions. C. al ile

10.28 Choosing a hypothesis test: For each of the fol- lowing three scenarios, state which hypothesis test you would use from among the four introduced so far: the z test, the single-sample t test, the paired-samples t test, and the independent-samples t test. (Note: In the actual studies described, the researchers did not always use one of these tests, often because the actual experiment had additional variables.) Explain your answer. a. A study of 40 children who had survived a brain tumor revealed that the children were more likely to have behavioral and emotional difficulties than were children who had not experienced such a trauma (Upton & Eiser, 2006). Parents rated children's difficulties, and the ratings data were compared with known means from published population norms. b. Talarico and Rubin (2003) recorded the memo- ries of 54 students just after the terrorist attacks in the United States on September 11. 2001-some memories related to the terrorist attacks on that day (called flashbulb memories for their vividness and emotional content) and some everyday memories. They found that flashbulb memorics were no more consistent over time than everyday memories, even though they wvere perceived to be more accurate. The HOPE VI Panel Study (Popkin & Woodley, 2002) was initiated to test a U.S. program aimed at improving troubled public housing develop- ments. Residents of five HOPE VI developments were examined at the beginning of the study so researchers could later ascertain whether their qual- ity of life had improved. Mearns at the beginning of the study were compared to known national data Sources (e.g the US. Census, the American Hous- Surpnput s.asaras Autuns pry r n i means and sndard deviarions. C. al ile

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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10.28 Choosing a hypothesis test: For each of the fol- lowing three scenarios, state which hypothesis test you would use from among the four introduced so far: the z test, the single-sample t test, the paired-samples t test, and the independent-samples t test. (Note: In the actual studies described, the researehers did not always use one of these tests, often because the actual experiment had additional variables.) Explain your answer. a. A study of 40 children who had survived a brain tumor revealed that the children were more likely to have behavioral and emotional difficulties than were children who had not experienced such a trauma (Upton & Eiser, 2006). Parents rated children's difficulties, and the ratings data were compared with known means from published population norms. b. Talarico and Rubin (2003) recorded the memo- ries of 54 students just after the terrorist attacks in the United States on September 11, 2001some memories related to the terrorist attacks on that day (called flashbulb memories for their vividness and emotional content) and some everyday memories. They found that flashbulb memorics were no more Consistent over time than everyday memories, even though they were perceived to be more accurate. The HOPE VI Panel Study (Popkin & Woodley, 2002) was initiated to test a U.S. program aimed at improving troubled public housing develop- ments. Residents of five IIOPE VI developments were examined at the beginning of the study so rescarchers could later ascErtain whether their qual- ity of life had improved. Means at the beginning of the study were compared to known national data soUTCes (e.g. the US. C ensus, the American Hous- II, ar- ace re- rial her Hata, they hile means and standard devLations. LLI
Transcribed Image Text:10.28 Choosing a hypothesis test: For each of the fol- lowing three scenarios, state which hypothesis test you would use from among the four introduced so far: the z test, the single-sample t test, the paired-samples t test, and the independent-samples t test. (Note: In the actual studies described, the researehers did not always use one of these tests, often because the actual experiment had additional variables.) Explain your answer. a. A study of 40 children who had survived a brain tumor revealed that the children were more likely to have behavioral and emotional difficulties than were children who had not experienced such a trauma (Upton & Eiser, 2006). Parents rated children's difficulties, and the ratings data were compared with known means from published population norms. b. Talarico and Rubin (2003) recorded the memo- ries of 54 students just after the terrorist attacks in the United States on September 11, 2001some memories related to the terrorist attacks on that day (called flashbulb memories for their vividness and emotional content) and some everyday memories. They found that flashbulb memorics were no more Consistent over time than everyday memories, even though they were perceived to be more accurate. The HOPE VI Panel Study (Popkin & Woodley, 2002) was initiated to test a U.S. program aimed at improving troubled public housing develop- ments. Residents of five IIOPE VI developments were examined at the beginning of the study so rescarchers could later ascErtain whether their qual- ity of life had improved. Means at the beginning of the study were compared to known national data soUTCes (e.g. the US. C ensus, the American Hous- II, ar- ace re- rial her Hata, they hile means and standard devLations. LLI
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