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Biomedical subjects

R L Retka

Publications and source records attributed to R L Retka.

4 recordsLinked to original sources
PubMed1984

Construct validity of heroin abuse estimators.

The construct validity of two methodologically unrelated procedures for estimating the prevalence of heroin abuse was studied using a covariance structure model-fitting approach. A factor analytic estimation procedure and a log-linear-based capture-recapture method of estimation were simultaneously applied to 24 major metropolitan areas of the nation. A test of the construct validity of these procedures for estimating the prevalence of heroin abuse was carried out in the context of structural equation models where the results of the two methods were compared directly.

Data Collection↗
PubMed1979

Drug-related suicide: a DAWN profile.

Drug-related suicides and suicide attempts/gestures account for a relatively large percentage of the drug-involved cases seen by hospital emergency rooms and medical examiners. While tranquilizer involvement characterizes the largest subgroup of suicide cases in the emergency room, barbiturate involvement is most frequently true of suicide cases seen by medical examiners. However, in both settings the suicides tend to be older and to include relatively more females and fewer Blacks than the nonsuicides.

Black or African American↗
PubMed1975

Self-perception among narcotic addicts: an exploratory study employing multidimensional scaling techniques.

The self-perception of narcotic addicts was investigated using multidimensional scaling techniques. Subjects consisted of two groups of narcotic addicts and one groups of treatment personnel at a federal addiction treatment facility. One group of addict subjects was newly admitted to the treatment center, while the other group had been in treatment for 3 to 5 months. All Ss judged the similarity of pairs of "stimulus people" representing several personality dimensions thought to be relevant to the study of narcoticaddiction. The judgment were analyzed using the INDSCAL, an individual differences scaling procedure. The data for all groups are adequately explained by a three-dimensional solution. Interpretations of the dimensions and their relative importance to the self-perception of the different groups are discussed.

Allied Health Personnel↗