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Iteman is a commercial Windows program specifically designed for classical test analysis. It produces tech reports in Microsoft Word with graphics, narratives, and embedded tables. Iteman calculates the proportion and point biserial of each item, high/low subgroup proportions, and detailed item performance graphics.
Psychological statistics is application of formulas, theorems, numbers and laws to psychology. Statistical methods for psychology include development and application statistical theory and methods for modeling psychological data. These methods include psychometrics, factor analysis, experimental designs, and Bayesian statistics.
A psychometric function is an inferential psychometric model applied in detection and discrimination tasks. It models the relationship between a given feature of a physical stimulus, e.g. velocity, duration, brightness, weight etc., and forced-choice responses of a human or animal test subject. The psychometric function therefore is a specific ...
Software license OS Support Precision Scientific mode RPN mode Hex/oct/bin mode DeskCalc: MIT: Haiku: Arbitrary decimal Yes No No Mac OS calculator: Proprietary: macOS: Double (64 bit) Yes Yes Yes Windows Calculator: MIT: Windows: ≥32 decimal Yes Yes Yes KCalc: GPL-2.0-or-later: Linux, BSDs, macOS: Arbitrary decimal Yes Yes Yes xcalc: X11 ...
Axiom is a general-purpose computer algebra system. It has been in development since 1971 by IBM, and was originally named scratchpad. Richard Jenks originally headed it but over the years Barry Trager who then shaped the direction of the scratchpad project took over the project. It was eventually sold to the Numerical Algorithms Group (NAG ...
The program can generate graphs of the relationships between power, sample size and the detectable alternative hypothesis. It can plot graphs of any two of these variables while holding the third constant. Linear or logarithmic axes may be used and multiple curves can be plotted on each graph. Graphs may be copied and pasted into other ...
Dundas Data Visualization (formerly Dundas Software) was founded in 1992 in Toronto, Ontario, Canada . After an early success with Dundas Chart in 2002, the company developed Dundas Gauge, Map, OLAP Chart, and Calendar controls, which were purchased by Microsoft in 2007 to become part of their Reporting Services, SharePoint, and .NET offerings.
1952. Address. 235 East Cameron Ave. University of North Carolina. Chapel Hill, North Carolina, U.S. Website. quantpsych .unc .edu. L. L. Thurstone Psychometric Laboratory is a psychometrics and quantitative psychology laboratory housed within the Department of Psychology and Neuroscience at University of North Carolina at Chapel Hill.