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MicroFACT

MicroFACT for Windows- Factor Analysis for Dichotomous and Ordered Polytomous Response Data Niels G. Waller, University of Minnesota, Minneapolis, Minnesota MicroFACT is an easy-to-use factor analysis program that can tackle mainframe size problems on your PC — quickly! Version 2.0 includes WinMFact, a Windows interface that allows you to build control files by point-and-click and run your analyses! Also included in version 2.0 is an enhanced DOS version of the program that runs the command files created by the Windows interface, or command files that you create independently with a text editor. Version 2.0 also has many other new features. MicroFACT provides a methodologically defensible and computationally efficient method for factor analysis of both dichotomous and polytomous data sets. Using virtual memory, it can handle analyses of data sets of any size. For dichotomous (i.e., correct/incorrect or keyed/non-keyed) data, MicroFACT can assist you in verifying the dimensionality of your test (which is one of the most basic assumptions of the application of item response theory models). Assessing the dimensionality of a test can be accomplished using a factor analytic approach if appropriate computations are employed. The linear factor analysis model as typically implemented in most statistical packages, however, often fails to use the appropriate measures of correlation for such a factor analysis (tetrachoric correlations). MicroFACT makes it easy to analyze the interrelationships among your test items to determine the number of underlying dimensions. MicroFACT is simple to use and provides detailed (but understandable) results. For the factor analysis of other types of data, such as polytomous data (i.e., ordered categorical data such as that found in surveys in the social sciences, political science, education, and behavioral sciences, and clinical measures used in medical, psychological and personality research), MicroFACT allows the uses of polychoric correlations, which represents a dramatic step forward in overcoming the biased results produced by the linear factor analysis model. MicroFACT also handles continuously scored and ipsatized item response data. New Features in version 2 MicroFACT can be called from another program to perform Monte Carlo simulations. Data may be written to external files to make simulations easier to conduct. New rotation options: weighted varimax, Harris-Kaiser ortho-oblique, and Oblimin. The ability to rotate from random orientations to avoid local minimum problems. Can import factor pattern, structure, and factor intercorrelation matrices from previous analyses or published studies. New model evaluation features include residual plots, goodness-of-fit indices, and hyperplane counts for rotated factors -- structures and patterns. New factor loading plots. Greater user control of output format. New factor score plots. Improved error handling routines. A complete electronic manual provided as a PDF file, plus on-line Windows Help files. The Build Menu of WinMFact, with status indicators to help you keep track of your progress as you create a command file System Requirements Windows 95, 98, NT, ME, 2000, XP Demonstration Version This is a fully functioning version of MicroFACT 2.0 that is limited to the analysis of a maximum of 30 variables. Download Demo/Student Version (14.6 MB). A free copy of the MicroFACT manual is included as a PDF file. You will need the Acrobat Reader to read this file. If you don't already have Acrobat Reader it can be download HERE. (10.5 MB) Books on Factor Analysis Factor Analysis Latent Variable Models: An Introduction to Factor, Path, and Structural Analysis Latent Variable Models and Factor Analysis (Second Edition) Making Sense of Factor Analysis Also see our selection of other books on Multivariate Analysis Order Options and Details   MicroFACT - Academic (Windows) 299.00  Multiple License Discount Schedule: No. of Licenses:  Price:    1  299.00   2  284.05   3  269.10   4  239.20   5 - 9  209.30   10+  164.45 Quantity: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 Add to cart MicroFACT - Non-Academic (Windows) 350.00  Multiple License Discount Schedule: No. of Licenses:  Price:    1  350.00   2  332.50   3  315.00   4  280.00   5 - 9  245.00   10+  192.50 Quantity: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 Add to cart