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Construct validity in psychological tests.
TLDR
The present interpretation of construct validity is not "official" and deals with some areas where the Committee would probably not be unanimous, but the present writers are solely responsible for this attempt to explain the concept and elaborate its implications.
Bootstraps taxometrics. Solving the classification problem in psychopathology.
  • P. Meehl
  • Psychology
    The American psychologist
  • 1 April 1995
TLDR
Two taxometric procedures, MAMBAC and MAXCOV-HITMAX, provide independent tests of the taxonic conjecture and satisfactorily accurate estimates of theTaxon base rate, the latent means, and the valid and false-positive rates achievable by various cuts.
Multivariate Taxometric Procedures: Distinguishing Types from Continua
TLDR
This paper presents a multivariate generalization of MAXCOV Factor Analytic Techniques for Distinguishing Types from Continua L-Mode factor Analytic techniques fordistinguishing types fromContinua Q-Factor Analysis Taxometrics in Scientific Methodology.
Schizotaxia, Schizotypy, Schizophrenia
  • P. Meehl
  • Psychology, Medicine
  • 1 December 1962
TLDR
While I have not until recently begun any systematic research efforts on this baffling disorder, I felt that to share with you some of my thoughts, based though they are upon clinical impressions in the context of selected research by others, might be an acceptable use of this occasion.
Theoretical risks and tabular asterisks: Sir Karl, Sir Ronald, and the slow progress of soft psychology.
Abstract Theories in “soft” areas of psychology lack the cumulative character of scientific knowledge. They tend neither to be refuted nor corroborated, but instead merely fade away as people lose
Taxometric analysis. I: Detecting taxonicity with two quantitative indicators using means above and below a sliding cut (MAMBAC procedure)
TLDR
Given two quantitative indicators of a conjectured latent taxon, a statistical function defined as the difference between the observed means for cases of one indicator falling above and below a sliding cut indicates whether the latent structure is taxonic or nontaxonic.
Toward an Integrated Theory of Schizotaxia, Schizotypy, and Schizophrenia
Methodological Prologue, 1 Taking a Fresh Look, 4 The Ubiquitous CNS Anomaly Approach, 14 Derivation of Main Signs and Symptoms, 25 Genetic Considerations, 35 How to Test the Dominant Gene
Comparative efficiency of informal (subjective, impressionistic) and formal (mechanical, algorithmic) prediction procedures: The clinical–statistical controversy.
Given a data set about an individual or a group (e.g., interviewer ratings, life history or demographic facts, test results, self-descriptions), there are two modes of data combination for a
Why Summaries of Research on Psychological Theories are Often Uninterpretable
Null hypothesis testing of correlational predictions from weak substantive theories in soft psychology is subject to the influence of ten obfuscating factors whose effects are usually (1) sizeable,
Clinical versus actuarial judgment.
TLDR
Research comparing these two approaches to decision-making shows the actuarial method to be superior, factors underlying the greater accuracy of actuarial methods, sources of resistance to the scientific findings, and the benefits of increased reliance on actuarial approaches are discussed.
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