Cluster Analysis and Mixtures

Wolfe, John H. (1965, May). A computer program for the maximum-likelihood analysis of types. (NPRA-STB-65-15). San Diego: U. S. Naval Personnel Research Activity. (NTIS No. AD-620 026).  

Wolfe, John H. (1967, August). NORMIX: Computational methods for estimating the parameters of multivariate normal mixtures of distributions (NPRA-SRM-68-2). San Diego: U. S. Naval Personnel Research Activity. (NTIS No. AD-656 588).  

Wolfe, John H. (1968, December). NORMIX computer program documentation. (NPRA-SRM-69-11). San Diego: U. S. Naval Personnel Research Activity. (NTIS AD-682 213).  

Wolfe, John H. (1968, December). NORMAP computer program documentation. (NPRA-SRM-69-12). San Diego: U. S. Naval Personnel Research Activity. (NTIS AD-682 200)  

Wolfe, John H. (1969, April). Maximum Likelihood Cluster Analysis. Paper presented to the ONR Conference, Monterey.  

Wolfe, John H. (1969, March). Pattern clustering by multivariate mixture analysis (NPRA-SRM-69-17). San Diego: U. S. Naval Personnel Research Activity. (NTIS No. AD-684 087)  

Wolfe, John H. (1970). Pattern clustering by multivariate mixture analysis. Multivariate Behavioral Research, 5, 329-350.  

Wolfe, John H. (1971, May). Patterns of Vocational Interest. Invited address, Classification Society Meeting, London, Ontario.  

Wolfe, John H. (1971, September). NORMIX 360 computer program (NPTRL-SRM-72-4). San Diego: Naval Personnel and Training Research Laboratory. (NTIS No. AD-731 037)  

Wolfe, John H. (1971, September). A Monte Carlo study of the sampling distribution of the likelihood ratio for mixtures of multinormal distributions (NPTRL-STB-72-2). San Diego: Naval Personnel and Training Research Laboratory. (NTIS No.  AD-731 039)  

Wolfe, John H. (1971, October). Comparative Cluster Analysis of Patterns of Vocational Interest (NPTRL-STB-72-3). San Diego: Naval Personnel and Training Research Laboratory. (NTIS No. AD-731 040)  

Wolfe, John H. (1978). Comparative cluster analysis of patterns of vocational interest. Multivariate Behavioral Research, 13, 33-44.  

Operations Research

Wolfe, John H. (1962). Personnel applications of operations research (PRASD-REPORT-200). San Diego: U.S. Naval Personnel Research Activity.  

Wolfe, John H. & Alf, E. J. (1968, June). Comparison of classification strategies by computer simulation methods (NPRA-STB-68-11). San Diego: U. S. Naval Personnel Research Activity. (NTIS No. AD-674 370)   

Statistics and Test Theory

Moonan, W. J., & Wolfe, John H. (1963). Regression and correlation. Review of Educational Research, 33, 501-509.  

Wolfe, John H. (1969). Book review: Statistics of personnel classification, by Rulon, Tiedeman, Tatsuoka and Langmuir. Educational and Psychological Measurement, 29, 541-544.  

Abrahams, N., Alf, E., & Wolfe, John H. (1971). Taylor-Russell tables for dichotomous criterion variables. Journal of Applied Psychology, 5, 449-457.  

Wolfe, John H. (1980, October). Test equating using stratified sampling: a simulation study. (NPRDC-TN-81-3). San Diego: Navy Personnel Research and Development Center.  

Wolfe, John H. (1981, October). Optimal item difficulty for the three-parameter normal  ogive response model (NPRDC-TN-82-1). San Diego: Navy Personnel Research and Development Center.  

Wolfe, John H. (1981). Optimal item difficulty for the three-parameter normal ogive response model, Psychometrika, 46, 461-464.  

Wolfe, John H. (1982, January). Rational approximations to the item information function. (NPRDC-TN-82-3). San Diego: Navy Personnel Research and Development Center.  

Hedges, L.V., Becker, B.J., & Wolfe, J.H. (1992, October). Detecting and measuring improvements in validity (NPRDC-TR-93-2). San Diego: Navy Personnel Research and Development Center. (AD-A257 446)    

Computerized Training

Wolfe, John H. (1975, October). An aid to independent study through automatic question generation. (NPRDC-TR-76-18). San Diego: Navy Personnel Research and Development Center. (NTIS No. AD-A017 059)  

Wolfe, John H. (1976). Automatic question generation from text - an aid to independent study. ACM SIGCUE Bulletin, 2(1), 104-112.  

Wolfe, John H. (1977, April). Reading retention as a function of method for generating interspersed questions. (NPRDC-TR-77-29). San Diego: Navy Personnel Research and Development Center. (NTIS No. AD-A038 536)  

Wolfe, John H. & Williams, M.D. (1979, April). Prospects for low-cost advanced computer-based training: a forecast (NPRDC-SR-79-16). San Diego: Navy Personnel Research and Development Center. (NTIS No. AD-A132 933)  

Wolfe, John H. (1980, October). A microprocessor-based resistance network simulator for teaching basic electronics. (NPRDC-TN-81-1). San Diego: Navy Personnel Research and Development Center.

Aptitude Testing

Quan, B., Park, T.A., Sandahl, G., & Wolfe, J.H. (1984, March). Microcomputer network for computerized adaptive testing (CAT) (NPRDC-TR-84-33). San Diego: Navy Personnel Research and Development Center. (NTIS No. AD-A140 256)  

Quan, B., Park, T.A., Sandahl, G., & Wolfe, J.H. (1984, March). Microcomputer network for computerized adaptive testing (CAT): Program Listing. Supplement. (NPRDC-TR-84-33-SUPPL). San Diego: Navy Personnel Research and Development Center. (NTIS No. AD-A141 569)  

Wolfe, J.H. (1985). Speeded tests: Can computers improve measurement?  Proceedings of the 27th Annual Conference of the Military Testing Association, Vol. 1 (pp. 49-54). San Diego: Navy Personnel Research and Develop­ment Center. (NTIS No. AD-A172 850)  

Wolfe, John H. (1986). Computerized testing technology. In T. G. Sticht, F.R. Chang, & S. Woods (Eds.), Advances in reading/language research, Vol. 4 (pp. 71-78). Greenwich, CN: JAI Press.  

Wolfe, John H., Alderton, D. L., Cory, C.H., & Larson, G. E. (1987, March). Reliability and validity of new computerized ability tests. Proceedings of the Department of Defense / Educational Testing Service Conference on Job Performance Measurement Technologies, San Diego (pp. 369-382).  

Wolfe, J. H. (1988). Future tests: Design for validation in ten Navy schools. In Proceedings of the 30th Annual Conference of the Military Testing Association (pp. 463-468). Alexandria, VA: U. S. Army Research Institute for the Behavioral and Social Sciences. (NTIS No. AD-A215 179)

Wolfe, John H., & Alderton, D. L. (1991, November). Research on new selection tests. Paper presented to the 33rd Annual Conference of the Military Testing Association, San Antonio.  

Wolfe, John H., & Alderton, D. L. (1992, August). Navy technical school validity of the new predictor battery. Paper presented to the Centennial Convention of the American Psychological Association, Washington, D.C.  

Wolfe, John H. (1993, August). The enhanced computer-administered test (ECAT) battery validity study. Paper presented at the 101st Annual Convention of the American Psychological Association, Toronto.  

Wolfe, John H. (1993, August). Factor validities for the enhanced computer administered test (ECAT) battery. Paper presented at the 101st Annual Convention of the American Psychological Association, Toronto.  

Wolfe, John H. (1993, November). The enhanced computer administered test (ECAT) battery validity study. Paper presented to the 35th Annual Conference of the Military Testing Association, Williamsburg, VA.  

Wolfe, John H. (1994, November). Can we increase the validity of military selection batteries? Paper presented to the UCLA Conference on Methodological Problems in Prediction with Hierarchical Models.  

Peterson, N. G., Hanson, M. A., and Wolfe, J. H. (1996, February). The estimation of incremental validity in an employment setting: A review of relevant literature and some research design considerations   (NPRDC-TN-96-21. San Diego: Navy Personnel Research and Development Center. (NTIS No. AD-A305 666)

Wolfe, J. H., & Alderton, D. L. (1992). Navy incremental validity study of new predictors. In Proceedings of the 34th Annual Meeting of the Military Testing Association, Vol. 1 (pp. 39-44). San Diego: Navy Personnel Research and Development Center. (NTIS No. AD-A268 815)

Wolfe, J. H., Alderton, D. L., & Larson, G. E. (1993). Incremental validity of new computerized aptitude tests for predicting training performance in nine Navy technical schools. Unpublished manuscript.

Larson, G. E., & Wolfe, J.H. (1995). Validity results for g from an expanded test base. Intelligence, 20, 15-25.

Wolfe, J.H., Alderton, D.L., Larson, G.E., & Held, J.D. (1995, December). Incremental validity of Enhanced Computer Administered Testing (ECAT) (TN-96-6). San Diego: Navy Personnel Re­search and Development Center. (NTIS No. AD-A307 708)  

Wolfe, John H. (1997). Preface to the special issue. Military Psychology, 9, 1-3.  

Alderton, D. L., Wolfe, J. H., & Larson, G. E. (1997). The ECAT battery. Military Psychology, 9, 5-37.  

Wolfe, John H. (1997). Incremental validity of ECAT battery factors. Military Psychology, 9, 49-76.  

Held, J. D., & Wolfe, J. H. (1997). Validities of unit-weighted composites of the ASVAB and the ECAT battery. Military Psychology, 9, 77-84.  

Wolfe, John H. (1997). Stepwise selection of ECATs for maximum mean validity.  Military Psychology, 9, 85-95.  

Wolfe, John H., McBride, J. R., & Sympson, J. B. (1997). Development of the experimental CAT-ASVAB system. In W. A. Sands, B. K. Waters, & J. R. McBride (Eds.), Computerized adaptive testing: From inquiry to operation (pp. 97-101). Washington, DC: American Psychological Association.  

Wolfe, John H., Moreno, K. E., & Segall, D. O. (1997). Evaluating the predictive validity of CAT-ASVAB. In W. A. Sands, B. K. Waters, & J. R. McBride (Eds.), Computerized adaptive testing: From inquiry to operation (pp. 175-179). Washington, DC: American Psychological Association.  

Wolfe, John H., Alderton, D. L., Larson, G. E., Bloxom, B. M., & Wise, L. L. (1997). Expanding the content of CAT-ASVAB: New tests and their validity.  In W. A. Sands, B. K. Waters, & J. R. McBride (Eds.), Computerized adaptive testing: From inquiry to operation (pp. 239-249). Washington, DC: American Psychological Association.