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  2. Rorschach Performance Assessment System - Wikipedia

    en.wikipedia.org/wiki/Rorschach_Performance...

    The Rorschach Performance Assessment System (R-PAS) [1] [2] is a scoring and interpretive method to be used with the Rorschach inkblot test. [3] This system is being developed by several members of the Rorschach Research Council, a group established by John Exner to advance the research on the Comprehensive System, the most widely used scoring system for the Rorschach.

  3. Rorschach test - Wikipedia

    en.wikipedia.org/wiki/Rorschach_test

    Rorschach performance assessment system (R-PAS) is a scoring method created by several members of the Rorschach Research Council. They believed that the Exner scoring system was in need of an update, but after Exner's death, the Exner family forbade any changes to be made to the Comprehensive System. [ 58 ]

  4. Ink blot test - Wikipedia

    en.wikipedia.org/wiki/Ink_blot_test

    His test was widely popular but also critiqued. After his death, multiple other Ink Blot tests were formed. Some of these new tests include: The Howard Ink Blot Test, Holtzman inkblot technique, and Rorschach II Ink Blot Test. Under the guidance of Rorschach, Hans Behn-Eschenburg developed 10 similarly designed inkblots to Rorschach's in 1920.

  5. Sample size determination - Wikipedia

    en.wikipedia.org/wiki/Sample_size_determination

    The sample size is an important feature of any empirical study in which the goal is to make inferences about a population from a sample. In practice, the sample size used in a study is usually determined based on the cost, time, or convenience of collecting the data, and the need for it to offer sufficient statistical power. In complex studies ...

  6. Two-sample hypothesis testing - Wikipedia

    en.wikipedia.org/wiki/Two-sample_hypothesis_testing

    In statistical hypothesis testing, a two-sample test is a test performed on the data of two random samples, each independently obtained from a different given population. The purpose of the test is to determine whether the difference between these two populations is statistically significant .

  7. Coefficient of determination - Wikipedia

    en.wikipedia.org/wiki/Coefficient_of_determination

    Ordinary least squares regression of Okun's law.Since the regression line does not miss any of the points by very much, the R 2 of the regression is relatively high.. In statistics, the coefficient of determination, denoted R 2 or r 2 and pronounced "R squared", is the proportion of the variation in the dependent variable that is predictable from the independent variable(s).

  8. Bruno Klopfer - Wikipedia

    en.wikipedia.org/wiki/Bruno_Klopfer

    Bruno Klopfer (1 October 1900 – 23 October 1971) was a German psychologist, born in Bavaria.. He had a profound impact on the development of psychological personality testing, and was an important pioneer and innovator in the development, scoring and popularization of projective techniques, especially the Rorschach inkblot test.

  9. Effect size - Wikipedia

    en.wikipedia.org/wiki/Effect_size

    In statistics, an effect size is a value measuring the strength of the relationship between two variables in a population, or a sample-based estimate of that quantity. It can refer to the value of a statistic calculated from a sample of data, the value of one parameter for a hypothetical population, or to the equation that operationalizes how statistics or parameters lead to the effect size ...