Psychology 418-practice midterm 1-2014

26 what are the costs and

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Unformatted text preview: formed consent before the study begins c. lying to the participants about the true nature of the study d. non of the above Name________________________________________________ 18. Scale in which objects or individuals are assigned to categories that have no numerical properties. These scales have the characteristic of identity but lack the other properties. a. Ordinal b. Ratio c. Nominal d. Interval 19. Which of the following is true? a. Naturalistic observation decreases the ecological validity of a study b. Naturalistic observation involves observing humans or other animals in their natural setting c. Laboratory observation increases the ecological validity of a study d. All of the above Short answer/True or False questions: 20. A z- score tells us how many _____________ from the _____________ our score falls. 21. Any raw score (x) with a value less than the population mean (μ) will have a negative z- score? (True or False) 22. _______% of all scores in a standard normal distribution fall within +/- 1 standard deviation from the mean. 23. _______% of all scores in a standard normal distribution fall within +/- 2 standard deviations from the mean. 24. _______% of all scores in a standard normal distribution fall within +/- 3 standard deviations from the mean. Name________________________________________________ Essay/calculation questions:...
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This note was uploaded on 04/02/2014 for the course PSY 418 taught by Professor Haley during the Spring '08 term at University of Texas.

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