Barlow, D. H., & Hersen, M. (1973). Single-case experimental designs: Uses in applied and clinical research. Archives of General Psychiatry, 29, 319-325.

Brooks, D. N. (1989). Measuring neuropsychological and functional recovery. In H. S. Levin, J. Grafman, & H. M. Eisenberg (Eds.), Neurobehavioral recovery from head injury (pp. 57-72). New York: Oxford University Press.

Brooks, D. N., Deelman, B. G., Van Zomeren, A. H., Van Dongen, H., Van Harksam, P., & Aughton, M. E. (1984). Problems in measuring cognitive recovery from acute brain injury. Journal of Clinical Neuropsychology, 6, 71-86.

Campbell, D. T., & Fiske, D. W. (1959). Convergent and discriminant validation by the multitrait-multimethod matrix. Psychological Bulletin, 56, 81-105.

Campbell, D. T., & Stanley, J. C. (1963). Experimental and quasi-experimental designs for research. Chicago, Rand McNally.

Cohen, J. (1988). Statistical power analysis for the behavioral sciences (2nd ed.). Hillsdale, NJ: Erlbaum.

Cohen, J., & Cohen, P. (1983). Applied multiple regression/correlation analysis for the behavioral sciences (2nd ed.). Hillsdale, NJ: Erlbaum.

Cook, T. D., & Campbell, D. T. (1979). Quasi-experimentation: Design and analysis for field settings. Boston: Houghton Mifflin.

Cronbach, L. J., & Meehl, P. E. (1955). Construct validity in psychological tests. Psychological Bulletin, 52, 281-302.

Dahmer, E., Shilling, M., Hamilton, Bontke, C., B., Englander, J., Kreutzer, J., & Rosenthal, M. (1993). A model systems database for traumatic brain injury. Journal of Head Trauma Rehabilitation, 8(2), 12-25.

Dikmen, S., & Temkin, N. (1989). Determination of the effects of head injury and recovery in behavioral research. In H. S. Levin, J. Grafman, & H. M. Eisenberg (Eds.), Neurobehavioral recovery from head injury (pp. 73-87). New York: Oxford University Press.

Dikmen, S., & Levin, H. (1993). Methodological issues in the study of mild brain injury. Journal of Head Trauma Rehabilitation, 8(3), 30-38.

Diller, L., & Ben-Yishay, Y. (1987). Analyzing rehabilitation outcomes of persons with head injury. In M. J. Fuhrer (Ed.), Rehabilitation outcomes: Analysis and measurement (pp. 209-220). Baltimore: Paul Brookes.

Eisenberg, H. M., & Weiner, R. L. (1989). Input variables: How information from the acute injury can be used to characterize groups of patients for studies of outcome. In H. S. Levin, J. Grafman, & H. M. Eisenberg (Eds.), Neurobehavioral recovery from head injury (pp. 14-29). New York: Oxford University Press.

Fiske, D. W., & Fogg, J. (1990). But the reviewers are making different criticisms of my paper! Uniqueness and diversity in reviewer comments. American Psychologist, 45, 591-598.

Franzen, M. D., & Iverson, G. L. (1990). Applications of single subject design to cognitive rehabilitation. In A. M. Horton (Ed.), Behavioral clinical neuropsychology across the lifespan (pp. 155-174). New York, Springer.

Gianutsos, R., & Gianutsos, J. (1987). Single case experimental approaches to the assessment of interventions in rehabilitation. In B. Caplan (Ed.), Rehabilitation psychology desk reference (pp. 453-470). Rockville, MD: Aspen.

Hamilton, B. , Granger, C. V., Sherwin, F. S., Zielezny, M., & Tashman, J. S. (1987). A uniform national data system for medical rehabilitation. In M. J. Fuhrer (Ed.), Rehabilitation outcomes: Analysis and measurement (pp. 137-147). Baltimore: Paul Brookes.

Hardisty, B., Bisterfield, J., & Harvey, R. F. (1987). Computerized data bases: An integrated approach to monitoring quality of patient care. Archives of Physical Medicine and Rehabilitation, 68(12), 850-853.

Hays, W. L. (1988). Statistics. New York City: Holt, Reinhart, & Winston.

Jennett, B., Teasdale, G., Galbraith, S., Pickard, J., et al. (1977). Severe head injuries in three countries. Journal of Neurology, Neurosurgery, & Psychiatry, 40, 291-298.

Kazdin, A. E. (1980). Research design in clinical psychology. New York: Harper & Row.

Kazdin, A. E. (Ed.). (1992). Methodological issues and strategies in clinical research. Washington, DC: American Psychological Association.

Kreutzer, J., Gordon, W., Rosenthal, M., & Marwitz, J. (1993). Neuropsychological characteristics of patients with brain injury: Preliminary findings from a multi-center investigation. Journal of Head Trauma Rehabilitation, 8(2), 47-59.

Levin, H. S., Mattis, S., Ruff, R., Eisenberg, H. M., Marshall, L. F., Tabaddor, K., High, W. M., & Frankowski, R. F. (1987). Neurobehavioral outcome following minor head injury: A three center study. Journal of Neurosurgery, 66, 234-243.

Lezak, M. D., & Gray, D. K. (1984). Sampling problems and nonparametric solutions in clinical neuropsychological research. Journal of Clinical Neuropsychology, 6(1), 101-109.

McKinlay, W., & Brooks, D. N. (1984). Methodological problems in assessing psychosocial recovery following severe head injury. Journal of Clinical Neuropsychology, 6, 87-99.

Marshall, L. F., Becker, D. P., Bowers, S. A., Cayard, C., Eisenberg, H. M. et al. (1983). The National Traumatic Coma Data Bank. Part 1: Design, purposes, goals, and results. Journal of Neurosurgery, 59, 276-284.

Merbitz, C., Morris, J., & Grip, J. C. (1989). Ordinal scales and foundations for misinference. Archives of Physical Medicine and Rehabilitation, 64, 268-271.

Nelson, N., Rosenthal, R., & Rosnow, R. L. (1986). Interpretation of significance levels and effect sizes by psychological researchers. American Psychologist, 41, 1299-1301.

Parsons, O. A., & Prigatano, G. P. (1978). Methodological considerations in clinical neuropsychological research. Journal of Consulting and Clinical Psychology, 46, 608-619.

Ragnaarson, K. T., Thomas, J. P., & Zasler, N. D. (1993). Model systems of care for individuals with traumatic brain injury. Journal of Head Trauma Rehabilitation, 8(2), 1-11.

Rintala, D. H., & Willems, E. P. (1991). Telephone versus face-to-face mode for collecting self-reports of sequences of behavior. Archives of Physical Medicine and Rehabilitation, 72, 477-481.

Siegel, S. (1956). Nonparametric statistics for the behavioral science. New York: McGraw-Hill.

Sulton, L. D., Hardisty, B., Bisterfeldt, J., & Harvey, R. F. (1987). Computerized data bases: An integrated approach to monitoring quality of patient care. Archives of Physical Medicine and Rehabilitation, 68, 850-853.

Townsend, J. T., & Ashby, F. G. (1984). Measurement scales and statistics: The misconception misconceived. Psychological Bulletin, 96, 394-401.

Webster, J. S., McCaffrey, R., & Scott, R. R. (1986). Single case design for neuropsychology. In D. Wedding, A. M. Horton, & J. Webster (Eds.), The neuropsychology handbook: Behavioral and clinical perspectives (pp. 219-258). New York: Springer.

Wilson, B. (1982). Single case experimental designs in neuropsychological rehabilitation. Journal of Clinical and Experimental Neuropsychology, 9, 527-544.

Wright, B. D., & Linacre, J. M. (1989). Observations are always ordinal; Measurements, however, must be interval. Archives of Physical Medicine and Rehabilitation, 70, 857-860.