Monday, May 1, 2017

PF Model Psychological Assessment

Psychological Assessment
Psychological assessments are designed to measure “individual differences in behaviors, and applying this knowledge to a single person for his and society’s interest” (Laak, Desai, & Gokhale, 2013) and must demonstrate reliability and validity.  Determining the validity of an assessment has been accomplished through implementing the correlation method which involves examining the relationship between results and criterion, however Bornstein published an article that provided an explanation on how using the process-focused model is more effective when providing evidence of validity. Selecting an appropriate method for determining the validity of an assessment that identifies problem behaviors in school-aged children is important to ensuring the accuracy of the measurement so that the proper treatment methods and interventions are implemented.  Even though human behavior is constantly changing, and often the results of an assessment may not be accurate of one’s true behavior, The Clinical Assessment of Behavior has been rated as a valid measurement tool because the reliability coefficients range from .77 to .95 and .88 or higher across the three forms on the scale and cluster internal consistency. This paper will provide information supporting the validity of The Clinical Assessment of Behavior by comparing the process-focus model and the traditional model to determine which method is most applicable of assessing the validity.  
The Clinical Assessment of Behavior
A psychological assessment that is intended to “assist in the identification of children and adolescents across a wide range who need behavioral, educational, or psychiatric treatment or intervention” (Clinical Assessment of Behavior, 2004).  The Clinical Assessment of Behavior measures behaviors on a clinical scale and adaptive scale.  The clinical scale measures internalized behaviors that relate to feelings that children may have towards themselves, such as depression, anxiety and somatization.  Externalized behaviors are also measured on the clinical scale and include problem behaviors that are directed towards others such as anger, aggression and bullying.  Behaviors that are associated with Sociopathy and Psychopathology are also measured on the clinical scale.  The adaptive scale measures social skills related to how children interact with peers and adults as well as competence and adaptive behaviors.  Competence refers to cognitive and language development and adaptive behaviors involve social responsibility and independent performance of daily activities.  The Clinical Assessment of Behavior has three forms, parent rating form, teacher rating form an extended rating form and takes nearly 15 minutes to complete and 30 minutes for the extended rating form.  The assessment includes 70 questions that must be answered according to the five-point rating scale that range from always or very frequently to never and is completed by parents, caretakers and/or teachers based upon the behaviors that were directly observed.  Once the forms are completed the data will be entered in The Clinical Assessment of Behavior scoring program to generate results.  This process is designed to validate the assessment of children’s behavior by assessing the knowledge that participants have on human behavior which is why Bornstein believe that a substantial amount of time and effort has been dedicated by researchers to “maximize test score validity by ensuring assessment tools measure what we think they do” (Bornstein, 2011)
Traditional Models of Validity
Content, criterion-referenced and construct validity are traditional models of validity that are utilized to conceptualized assessment validity.  Content validity provide evidence that is based on the content of the assessment and involves a reasonable examination and evaluation of the test content.  To ensure content validity for The Clinical Assessment of Behavior, (Miller, 2016) states that researchers must examine the format of the test, questions and wording to verify that the content represents the concepts related to identifying problem behaviors in children and adolescents and evaluating adaptive skills “without underrepresenting those concepts or including elements that are irrelevant to their measurement”.  Criterion-referenced validity refers to correlational relationships between variables and involves comparing test scores of The Clinical Assessment of Behavior “with other measures to determine whether those scores are related to other measures to which we would expect them to relate” (Miller, 2016, p. 185).  Construct validity provides evidence that the test is measuring what it claims to measure.  (Miller, 2016) defines constructs as “attributes, traits, or characteristics that are not directly observable and can only be inferred by examining observable behaviors”.  The content of The Clinical Assessment of Behavior is an important component to construct validity because it demonstrates that the assessment provides “a balanced theoretical framework of both competence-based qualities and problem-based concerns that is useful for evaluating adaptive strengths and clinical risks in children and adolescents” (Clinical Assessment of Behavior, 2004).  While traditional models of validity are commonly used, the validity coefficient indicates strengths and weaknesses of measured variables and Bornstein (2011) believes that improvements can be made to the process by adapting the process-focus model that will allow the validity of assessments to be examined in a different context.
Process-Focused Model of Validity
The Process-Focused model of validity is another method of providing evidence of validity on assessments that measure psychological constructs by applying an experimental method to manipulate variables.  Manipulating variables in the process-focused model allow researchers the opportunity to examine other factors involving psychological processes and how they influence test scores.  Borstein describes the process-focused model as an “outcome-based validity assessment with a process-driven approach” (Bornstein, 2011) that is designed to improve the assessment procedure.  Examining other factors involve psychological processes links psychological disciplines in the process-focused model and Borstein designed a four-step model to demonstrate how manipulating variables incorporates ideas from different psychology subfields.
Borstein’s (2011) four-step model.
Borstein has provided an outline on a procedure that is applicable to assessing the validity of any psychological construct. The Clinical Assessment of Behavior focuses on defining the measurement of psychological constructs that are not directly observable using the process-focused approach.  Psychological constructs such as internalized behaviors, externalized behaviors and critical behaviors can be measured using the four-step model designed by Borstein.
Step 1. Deconstruct assessment instrument has two separate components, the first component involves specifying underlying processes in the behavior of school-aged children that should occur when children respond to motivational techniques that occur during observation for testing purposes and then identifying circumstances that can alter their behavior.    
Step 2. Operationalize and evaluate process-outcome links has three components that can be used in the assessment of a psychological construct such as human behavior.  Bornstein (2011) identified those components as “turning process-altering variables into manipulations, delineating hypothesized outcomes, and experimental design”.  This step involves developing hypotheses on the behavior of young children and adolescents relating to the school environment that will require performing a research experiment. 
Step 3. Interpreting the outcome involves evaluating the results of the assessment and interpreting the data collected on the behavior of young children and adolescents in relation to limiting conditions that can alter the assessment process.  The test-retest method is applicable in this step because it will identify behavioral changes that were caused by limiting factors.
Step 4. Evaluate generalizability and ecological validity is the final step in assessing the validity of psychological constructs in the process-focused model and involves putting the data collected on the behavior of young children and adolescent into context.  Inconsistencies in the research design is a limiting condition that can influence the assessment process which is why the test-retest method is important to the process.  The Clinical Assessment of Behavior includes three forms that are completed in different context, therefore assessing the behavior of young children and adolescents can occur through validating the data across the three forms. 
With these steps in mind, a comparison of the Traditional and Process-Focused Models is necessary to determine which method is best suited for The Clinical Assessment of Behavior because of Borstein’s belief on using “experimental manipulations to alter respondents’ psychological processes during testing” (Bornstein, 2011, p. 5), examining the similarities and differences will provide clarity.
Comparison of the Traditional and Process-Focused Models
                                    Differences
Bornstein (2011) article on the process-focused model explains how this method differs from the traditional method by outlining key points to the process that determines validity as it relates to the outcome.  The traditional method limits the variables associated with the assessment and the test score through correlational methods that are designed to “quantify the relationship between test scores and criterion” (Bornstein, 2011, p. 1).  On the contrary, process-focused model theorizes the idea of validity is based on the point in which participants can demonstrate their participation in an anticipated set of psychological processes during the assessment.  Experimental procedures are applied that are designed to manipulate variables that balance the connection between criterion and test scores in the process-focused model. 
            Similarities.
After carefully examining the information pertaining to the traditional method and the process-focused method the only similarity that was obvious was the goal to provide evidence of validity through different processes.  The traditional and process-focused model both examine and evaluate data, however these functions are performed differently.  Each model is designed to provide evidence that will prove the data collected from an assessment measuring psychological constructs is an accurate measure.
            Bornstein’s Claims.
 Bornstein promotes the use of the process-focused model because he believes that it enhances the goals of providing evidence of validity by switching the direction of the relationship between test scores and conducting experiments.  Borstein (2011) believes that validating test scores can only be achieved by conducting experimental procedures as part of the method that requires changing the direction of the relationship between test scores and experiments from unidirectional to bidirectional.  This will allow variables to be manipulated and that can form a connection between psychological testing to other areas in psychology.  
Summary
Psychological assessments are used in a variety of settings to measure constructs that cannot be directly observed, therefore validity is important to the process to ensure the accuracy of results.  The Clinical Assessment of Behavior is an assessment that is used in a school setting to identify problem behaviors in young children and adolescents and contains three forms that are completed by parents/caretakers and teachers to determine what if any additional services are needed to assist the child in the classroom environment.  Evidence of validity for this assessment can be demonstrated through the traditional method or the process-focused method, however Borstein believes that researchers should shift towards the process-focused method because it improves psychological processes and enhances the knowledge of the researchers and participants.  A four-step model was developed by Borstein to support his theory on the importance of moving in the direction of utilizing the process-focused model and is included as part of the discussion.  Borstein provides substantial information to support his claims by providing the main differences between the two models that were outlined to show how providing evidence of validity is evolving.


References
Bornstein, R. F. (2011). Toward a Process-Focused Model of Test Score Validity: Improving Psychological Assessment in Science and Practice. Psychological Assessment, 23(2), pp. 532-544.
Clinical Assessment of Behavior. (2004). Retrieved from Buros Center For Testing: http://www4.parinc.com
Laak, J. T., Desai, D., & Gokhale, M. (2013). Understanding Psychological Assessment: A Primer on the Global Assessment of the Client's Behavior in Educational and Organizational Setting. New Delhi: Sage Publications Pvt. Ltd.
Miller, L. A. (2016). Foundations of Psychological Testing: A Practical Approach. Thousands Oaks, California: Sage. Retrieved from ://mbsdirect.vitalsource.com/#/books/9781483369273


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