PSYC 3560 Study Guide - Statistical Hypothesis Testing, Observer-Expectancy Effect, Null Hypothesis

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Tests scores that place examinees in the normal distribution can always be. Ex: if you score in the 70th percentile, it means that 70% of the people. The number of scores declines when one moves from the centre of the. The normal distribution allows us to compare a score to all the other scores. 68% of scores in a distribution will fall within plus or minus one standard. 95% of scores in the distribution will fall within plus or minus two standard. If you know mean and standard deviation of a normally distributed trait, you. Percentile scores: percentage of people who score at or below a particular. 30% of score takes did better than you not all distributions are normal. Self-fulfilling prophecy self-fulfilling prophecy is a prediction that directly or indirectly causes itself to become true, by the very terms of the prophecy itself, due to positive feedback between belief and behavior.