Suppose that the finite population consists of N identifiable units. Associated with the ith unit are the study variable, y
i
, and a vector of auxiliary variables, x
i
. The values x
1
, x
2
,..., x
...N
are known for the entire population (i.e., complete) but y
i
is known only if the ith unit is selected in the sample. One of the fundamental questions is how to effectively use the complete auxiliary information at the estimation stage. In this article, a unified model-assisted framework has been attempted using a proposed model-calibration technique. The proposed model-calibration estimators can handle any linear or nonlinear working models and reduce to the conventional calibration estimators of Deville and Särndal and/or the generalized regression estimators in the linear model case. The pseudoempirical maximum likelihood estimator of Chen and Sitter, when used in this setting, gives an estimator that is asymptotically equivalent to the model-calibration estimator but with positive weights. Some existing estimators using auxiliary information are reexamined under this framework. The estimation of the finite population distribution function, using complete auxiliary information, is also considered, and estimators based on a general model are presented. Results of a limited simulation study on the performance of the proposed estimators are reported.
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Competence in Intervention Fuertes, Jairo N; Spokane, Arnold R; Holloway, Elizabeth
Specialty Competencies in Counseling Psychology,
11/2012
Book Chapter
Chapter 6 discusses clinical competence in intervention and how to do so in a way that can be considered as typical of or consistent with the practice of counseling psychology. It also covers the ...American Psychiatric Association’s Diagnostic and Statistical Manual of Mental Disorders (DSM ), the Examination for Professional Practice in Psychology (EPPP), the competency benchmarks (CB) model, the American Board of Counseling Psychology (ABCoP) model, the current movements toward evidence-based psychological practice (EBPP) and empirically supported treatments (ESTs), and the Division 29 Task Force.
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