Psyc 354 Review Test Exam 4

PSYC 354 Review Test Exam 4


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Attempt Score         97.5   points scored

Instructions
Time limit: 1 hour and 30 minutes
40 multiple¬choice questions
Open¬book/open¬notes


Results Displayed Submitted Answers


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1                                 Imagine that the confidence interval around a group's mean is [980, 1160], what is the mean?






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2                                 A negatively skewed distribution would most likely violate which assumption?






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3                                 A researcher conducts a single¬sample t test and finds statistical significance at the 0.01 level.






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4                                 The formula “                           ” is used to represent the:






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5                                 Cohen's d is one measure of:






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6                                 The single¬sample t test compares a sample mean to a population mean when:






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do we use to compare a sample to the population?







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8                                 Why are effect sizes rather than test statistics used when comparing study results?






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9                                 What falls within the 95% confidence interval?






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10                                 We calculate a statistical power and find that it is 0.93. This means that if the null hypothesis is                 , we have a                 % chance of rejecting the null hypothesis.






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