Validity and Clinical Scale Comparisons between the MMPI and MMPI-2 with Psychiatric Inpatients

1992 ◽  
Vol 70 (1) ◽  
pp. 323-332 ◽  
Author(s):  
Dudley David Blake ◽  
Phillip M. Kleespies ◽  
Walter E. Penk ◽  
Suellen S. Walsh ◽  
DeAnna L. Mori ◽  
...  
Keyword(s):  
Discriminant Function ◽  
Relative Stability ◽  
Patient Population ◽  
Psychiatric Patients ◽  
Special Populations ◽  
Clinical Scale ◽  
Acute Psychiatry ◽  
Highly Correlated ◽  
Discriminant Function Analyses

This study was designed to investigate the comparability of the original MMPI (1950) and the MMPI-2 (1989) with a psychiatric patient population. 34 male and 3 female patients, shortly after admission to one of two acute psychiatry units, completed the old and revised versions of the MMPI. Paired t tests indicated but scant differences for raw scores, while many more differences were found among T scores for validity, clinical, and supplemental scales. Analyses, however, showed all scales on the two forms to be highly correlated. Analysis of the high-point and two-point codes across the two administrations also showed relative stability, although the proportion of Scales 2 (Depression) and 8 (Schizophrenia) decreased, while those for Scales 6 (Paranoia) and 7 (Psychasthenia) increased markedly in the MMPI-2 protocols. Examination of each version's discriminability among mood- and thought-disordered subsamples suggested that the MMPI provides slightly better delineation between diagnostic classes. Discriminant function analyses showed that there were essentially no differences between the two forms in the accurate classification of clinical and nonclinical groups. The findings reported here provide support for the MMPI-2; despite modification, the newer form retains the advantages of the original MMPI. Differences found here may be unique to psychiatric patients and their patterns of MMPI/MMPI-2 equivalence and may not generalize to other special populations.

Comparison of the Toy-Play Behavior of Autistic, Retarded, and Normal Children: A Reanalysis

1969 ◽  
Vol 25 (1) ◽  
pp. 223-227 ◽  
Author(s):  
Barbara J. Weiner ◽  
Donald R. Ottinger ◽  
James R. Tilton
Keyword(s):  
Discriminant Function ◽  
Discriminant Function Analysis ◽  
Function Analysis ◽  
Measurement Instrument ◽  
Important Variable ◽  
Normal Children ◽  
Observational Technique ◽  
Toy Play ◽  
Discriminant Function Analyses

Tilton and Ottinger (1964) examined differences among autistic, retarded, and normal children by observing their behavior in a toy-play setting. The purpose of this study was to reanalyze these data using a multiple discriminant function analysis, which allowed consideration of all 10 categories of toy play and their intercorrelations within one analysis. Significant differences ( p < .001) were found among the 3 groups and between the possible pairs of groups (normal-autistic, normal-retarded, autistic-retarded). In addition, information about the statistical classification of individuals was available. In the four discriminant function analyses, the proportions of Ss statistically classified the same as their original psychiatric diagnosis were .96 of the normals, .83 of the autistics, and .89 of the retardates. The combinational category of toy play emerged as the most important variable in discriminating the groups in all four analyses. It was concluded that this observational technique combined with the multiple discriminant function analysis would have practical utility as a diagnostic and evaluative measurement instrument.

Psychologist and Physician Diagnoses of Hospitalized Patients with Similar MMPI Symptomatology

1982 ◽  
Vol 27 (6) ◽  
pp. 471-473
Author(s):  
Stewart Page
Keyword(s):  
Personality Disorders ◽  
Discriminant Function ◽  
Psychiatric Patients ◽  
Hospitalized Patients ◽  
Validity Scale ◽  
Scale Data ◽  
Discriminant Function Analyses

MMPI profiles, including L, K, and F validity scale data, were examined for 40 hospitalized psychiatric patients, for whom diagnoses from both psychologists and physicians were available. Comparison of diagnostic patterns of the same patients, especially for diagnoses of Personality Disorders and Schizophrenics, showed relatively little agreement between disciplines. Discriminant function analyses showed also that each discipline weighted MMPI scales differently in determining diagnosis, even though the scale profiles for each patient in the sample were essentially identical. The MMPI seemingly played a nonsignificant role in determining a set of inconsistently applied diagnoses.

Comparative Efficacy of K-ABC Subtests VS. WISC-R Subtests in the Differential Classification of Learning Disabilities

1989 ◽  
Vol 12 (4) ◽  
pp. 291-298 ◽  
Author(s):  
Joseph J. Glutting ◽  
George G. Bear
Keyword(s):  
Learning Disabilities ◽  
Discriminant Function ◽  
The Other ◽  
Comparative Efficacy ◽  
Intelligence Scale ◽  
Assessment Battery ◽  
Recent Introduction ◽  
Psychological Evaluations ◽  
Discriminant Function Analyses

Comparison of IQ-subtest scores has gained new popularity with the recent introduction of the Kaufman Assessment Battery for Children (K-ABC). The present study addressed questions pertinent to the utility of K-ABC subtests in differentiating LD children from students classified as EMR, SEM, and referred but Unclassified. In addition, it directly compared the efficacy of K-ABC subtests vs. subtests from the Wechsler Intelligence Scale for Children-Revised (WISC-R) in this task. The sample consisted of 265 children (181 males, 84 females) referred for psychological evaluations; 171 were classified LD. The LD group was further divided into two subgroups: those who showed significant ability-achievement discrepancies (LDdisc; n = 42) and those who did not (LDno; n = 129). Hierarchical discriminant-function analyses showed that subtest scores from both the K-ABC and the WISC-R differentiated the LDdisc group from children in the other categories. However, subsequent classification analyses revealed that neither the K-ABC nor the WISC-R was capable of returning children to their correct placements. Results, therefore, indicate that subtest scores from the K-ABC and the WISC-R were incapable of enhancing the differential classification of LD over rates obtainable on the basis of chance.

scholarly journals Measuring Dysgraphia: A Graded-Difficulty Spelling Test

1994 ◽  
Vol 7 (3-4) ◽  
pp. 107-116 ◽  
Author(s):  
D. M. Baxter ◽  
E. K. Warrington
Keyword(s):  
Left Hemisphere ◽  
Right Hemisphere ◽  
Language Disorders ◽  
Lower Quartile ◽  
Verbal Skills ◽  
Spelling Test ◽  
Spelling Disorder ◽  
Highly Correlated ◽  
Orthopaedic Injuries

In this paper we describe the construction of a graded-difficulty spelling test for adults consisting of two alternative forms each containing 30 words (GDST, Forms A and B). The spelling test, together with background tests of verbal and non-verbal skills, was administered to 100 control patients with orthopaedic injuries. The two forms of the spelling test were highly correlated (0.92). Spelling was highly correlated with reading (0.75, 0.77) and moderately correlated with vocabulary (0.57) and naming (0.39, 0.40). There was no correlation between spelling skills and non-verbal reasoning. The test was validated in a group of 26 patients with left hemisphere and 20 patients with right hemisphere lesions. Spelling was shown to be lateralized to the left hemisphere and there appeared to be a shift in scores of the left hemisphere group towards the lower quartile, with 65% of the left hemisphere group falling within this band. The most severe spelling impairments were invariably associated with other language disorders but a number of dissociations were documented at spelling levels falling between the 5th and 25th percentile band. Two patients with left hemisphere lesions (8%) were identified as having selective dysgraphias. The lack of overlap between the anatomical sites of the two patients with specific lexical dysgraphia argues against a single site for this type of dysgraphia and argues for further refinement of this classification of spelling disorder.

Conceptual validity of a phenomenological classification of psychiatric patients

1975 ◽  
Vol 12 (3) ◽  
pp. 215-230 ◽  
Author(s):  
John E. Overall ◽  
J.Arthur Woodward
Keyword(s):  
Psychiatric Patients

scholarly journals Machine learning for psychiatric patient triaging: an investigation of cascading classifiers

2018 ◽  
Vol 25 (11) ◽  
pp. 1481-1487 ◽  
Author(s):  
Vivek Kumar Singh ◽  
Utkarsh Shrivastava ◽  
Lina Bouayad ◽  
Balaji Padmanabhan ◽  
Anna Ialynytchev ◽  
...  
Keyword(s):  
Machine Learning ◽  
Psychiatric Patient ◽  
Classification Accuracy ◽  
Psychiatric Patients ◽  
Patient Records ◽  
Classification Technique ◽  
Machine Learning Approach ◽  
The One ◽  
Unique Dataset

Abstract Objective Develop an approach, One-class-at-a-time, for triaging psychiatric patients using machine learning on textual patient records. Our approach aims to automate the triaging process and reduce expert effort while providing high classification reliability. Materials and Methods The One-class-at-a-time approach is a multistage cascading classification technique that achieves higher triage classification accuracy compared to traditional multiclass classifiers through 1) classifying one class at a time (or stage), and 2) identification and application of the highest accuracy classifier at each stage. The approach was evaluated using a unique dataset of 433 psychiatric patient records with a triage class label provided by “I2B2 challenge,” a recent competition in the medical informatics community. Results The One-class-at-a-time cascading classifier outperformed state-of-the-art classification techniques with overall classification accuracy of 77% among 4 classes, exceeding accuracies of existing multiclass classifiers. The approach also enabled highly accurate classification of individual classes—the severe and mild with 85% accuracy, moderate with 64% accuracy, and absent with 60% accuracy. Discussion The triaging of psychiatric cases is a challenging problem due to the lack of clear guidelines and protocols. Our work presents a machine learning approach using psychiatric records for triaging patients based on their severity condition. Conclusion The One-class-at-a-time cascading classifier can be used as a decision aid to reduce triaging effort of physicians and nurses, while providing a unique opportunity to involve experts at each stage to reduce false positive and further improve the system’s accuracy.

Ethical Issues Arising in Revising Classifications of Mental Disorders

2009 ◽  
Vol 24 (S1) ◽  
pp. 1-1
Author(s):  
N. Sartorius
Keyword(s):  
Mental Disorders ◽  
Ethical Issues ◽  
Task Force ◽  
Psychiatric Patients ◽  
World Health ◽  
Sufficient Evidence ◽  
Advisory Group ◽  
Diagnostic Systems ◽  
The World

The classification of mental disorders in the International Classification of Diseases (ICD) will be revised in the course of the next three years and its publication (as the 11th Revision of the ICD) will be published, after the approval of the World Health Assembly in 2014. In parallel, the American Psychiatric Association created a Task Force which has begun work on the proposals for the revision of its Diagnostic and Statistical Manual which is to be published as the DSM 5th Revision, in 2012. The World Health Organization has established a special advisory group that should assist it in developing proposals for the classification of mental disorders for the 11th Revision of the ICD and this group collaborates closely with the APA Task Force creating the DSM5 proposals.Numerous ethical issues arise in this process and need to be discussed now so as to inform the process of agreeing on the proposals for the new classifications. They include the importance of an internationally accepted classification as a protection against abuses of psychiatric patients; the need to set the threshold for the diagnosis of a mental disorder at a level ensuring that people with such disorders receive help, the need to avoid imposition of diagnostic systems or categories without sufficient evidence and others. The presentation will briefly discuss the process of constructing the proposals for the new classifications and ways in which the groups established by the WHO and the APA handle these ethical questions.

scholarly journals Videoconference Administration of the Western Aphasia Battery–Revised: Feasibility and Validity

2020 ◽  
Vol 29 (2) ◽  
pp. 673-687 ◽  
Author(s):  
Maria Dekhtyar ◽  
Emily J. Braun ◽  
Anne Billot ◽  
Lindsey Foo ◽  
Swathi Kiran
Keyword(s):  
Rapid Growth ◽  
Patient Population ◽  
Speech Language Pathology ◽  
Traditional Methods ◽  
Link Type ◽  
Language And Communication ◽  
Language Pathology ◽  
Chronic Aphasia ◽  
Highly Correlated ◽  
Domain Scores

Purpose There is a rapid growth of telepractice in both clinical and research settings; however, the literature validating translation of traditional methods of assessments and interventions to valid remote videoconference administrations is limited. This is especially true in the field of speech-language pathology where assessments of language and communication can be easily conducted via remote administration. The aim of this study was to validate videoconference administration of the Western Aphasia Battery–Revised (WAB-R). Method Twenty adults with chronic aphasia completed the assessment both in person and via videoconference with the order counterbalanced across administrations. Specific modifications to select WAB-R subtests were made to accommodate interaction by computer and Internet. Results Results revealed that the two methods of administration were highly correlated and showed no difference in domain scores. Additionally, most participants endorsed being mostly or very satisfied with the videoconference administration. Conclusion These findings suggest that administration of the WAB-R in person and via videoconference may be used interchangeably in this patient population. Modifications and guidelines are provided to ensure reproducibility and access to other clinicians and scientists interested in remote administration of the WAB-R. Supplemental Material https://doi.org/10.23641/asha.11977857

scholarly journals Truss network based morphometric and meristic variations among south-western populations of Macrognathus aculeatus in Bangladesh

2021 ◽  
Vol 42 (3(SI)) ◽  
pp. 887-894
Author(s):  
M. Sarower-E-Mahfuj ◽  
◽  
S.K. Das ◽  
K.N. Azad ◽  
A.K. Paul ◽  
...  
Keyword(s):  
Analysis Of Variance ◽  
Discriminant Function ◽  
Network System ◽  
Meristic Characters ◽  
Morphometric Characters ◽  
Baseline Information ◽  
Macrognathus Aculeatus ◽  
Post Hoc ◽  
Separation Results ◽  
Discriminant Function Analyses

Aim: Landmark-based truss network system was applied to examine the morphometric and meristic differences among four different populaces of Macrognathus aculeatus namely; Dhakuriabeel, Jashore (DBJ); Arial Kha River, Madaripur (AKRM); Nabaganga River, Jhenaidah (NRJ); Kopotakkha River, Jashore (KRJ) in Bangladesh. Methodology: Completely 80 samples of M. aculeatus were collected (20 individuals from each population) for this study. Six meristic characters, 6 morphometric characters and 15 truss-based morphometric characters were measured for one-way analysis of variance (ANOVA) and Tukey-HSD post hoc test. Discriminant function analyses were also performed by using morphometric and truss-based morphometric characters to detect potential characters responsible for population separation. Results: Completely 80 samples of M. aculeatus were collected (20 individuals from each population) for this study. Six meristic characters, 6 morphometric characters and 15 truss-based morphometric characters were measured for one-way analysis of variance (ANOVA) and Tukey-HSD post hoc test. Discriminant function analyses were also performed by using morphometric and truss-based morphometric characters to detect potential characters responsible for population separation. Interpretation: The baseline information derived from the present study would be useful for appropriate conservation of M. aculeatus populations as well as for the researchers for further investigation.

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