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An Experimental Psychophysiological Approach to Human
An Experimental Psychophysiological Approach to Human

... Department of Psychology, University of Toronto Abstract—-Bradycardic reflexes in man are both of scientific and clinical interest. Using the methods of experimental psychophysiology, control over relevant independent variables permits the study of fine-grained temporal physiologic response topograp ...
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VARIANCE COMPONENTS - Precision Bioassay

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... personality assessment in which an individual is presented with a standardized set of ambiguous stimuli, such as inkblots or abstract drawings, that allow the test taker to project his or her unconscious unto the test material; the individual’s responses are assumed to reveal inner feelings, motives ...
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... The scores simply represent labels or classifications, which have no natural rank ordering. Thus, the level of measure is “nominal” or an “unordered categorical scale.” All that can be done for unordered categories is to report the count, or frequency, for each category, along with the percent of th ...
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... 7. Decision Rule – Statement that specifies values of the test statistic that will result in rejection or nonrejection of the null hypothesis 8. Two-Tailed Hypothesis Test - Evaluation of a conjecture for which sample results that are either sufficiently less than or greater than the conjectured va ...
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Wikipedia's entry on Pearson's correlation

... interpretation of a correlation coefficient. However, all such None −0.09 to 0.0 criteria are in some ways arbitrary and should not be observed Small −0.3 to −0.1 too strictly.[5] The interpretation of a correlation coefficient −0.5 to −0.3 depends on the context and purposes. A correlation of 0.9 m ...
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... 1. A food company is planning to market a new type of frozen yogurt. However, before marketing this yogurt, the company wants to find what percentage of the people like it. The company’s management has decided that it will market this yogurt only if at least 35% of the people like it. The company’s ...
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7 Inferences About the Difference Between Two Means

... relationship to those individuals selected for sample 2. In other words, the selection of individuals to be included in the two samples are unrelated or uncorrelated such that they have absolutely nothing to do with one another. You might think of the samples as being selected totally separate from ...
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z-Scores - mrseehafer

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An exercise - Poverty Action Lab

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11.2

...  The first sample of n = 40 items has a sample mean of 7.8 and a sample standard deviation of 3.3  The second sample of n = 50 items has a sample mean of 11.6 and a sample standard deviation of 2.6  We believe that the mean of the second population is exactly 4.0 larger than the mean of the first ...
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Psychometrics

Psychometrics is a field of study concerned with the theory and technique of psychological measurement. One part of the field is concerned with the objective measurement of skills and knowledge, abilities, attitudes, personality traits, and educational achievement. For example, some psychometric researchers have, thus far, concerned themselves with the construction and validation of assessment instruments such as questionnaires, tests, raters' judgments, and personality tests. Another part of the field is concerned with statistical research bearing on measurement theory (e.g., item response theory; intraclass correlation).As a result of these focuses, psychometric research involves two major tasks: (i) the construction of instruments; and (ii) the development of procedures for measurement. Practitioners are described as psychometricians. All psychometricians usually possess a specific qualification, and while most are psychologists with advanced graduate training, many work for the government or in human resources departments. Others specialize as learning and development professionals.
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