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Chapter 5
INTRODUCTION TO CLINICAL
PSYCHOLOGY, THIRD CANADIAN EDITION
by John Hunsley and Catherine M. Lee
• Questions
• Introduction to psychological assessment
• Psychological testing
• Evidence-based assessment
• Ethical considerations
• Group exercise on referrals for psychological assessment
• For next class
Overview
From Krishnamurthy et al. (2004)
• Knowledge of:– psychometric theory
– the scientific, theoretical, empirical, and contextual bases of psychological assessment
• Knowledge, skills, and techniques to assess cognitive, affective, behavioural, and personality dimensions of human experience
Core Competencies in Assessment
• Ability to:– assess intervention outcomes
– evaluate critically the multiple roles, contexts, and relationships in which clients and psychologists function and the reciprocal impact of these on the assessment activity
– establish, maintain, and understand the collaborative professional relationship involved in the assessment activity
Core Competencies in Assessment
• Understanding of the relation between assessment and intervention, assessment as an intervention, and intervention planning
• Technical assessment skills:– problem/goal identification and case conceptualization
– understanding and selection of appropriate assessment methods
– effective use of the assessment methods
– systematic data gathering
– integration and analysis of information
– understandable, useful, and responsive communication of findings
– development of recommendations
Core Competencies in Assessment
• Diagnosis & case formulation
• Prognosis
• Treatment planning
• Treatment monitoring
• Treatment evaluation
Integrated
• Screening
• Diagnosis
• Prognosis
• Treatment recommendations
Stand-alone
Psychological assessment: Purposes
• True Negatives
• False Negatives
• True Positives
• False Positives
Accuracy and Errors in Clinical Prediction
• Assessment versus testing
• Psychometric considerations
• Testing practices in clinical psychology
Psychological Testing
An evaluative device or procedure in which a sample of an examinee’s behavior in a specified domain is obtained and subsequently evaluated and scored using a standardized processStandards for Educational and Psychological Testing (APA, 1999)
What is a psychological test?
Standardization Reliability
ValidityNorms
Qualities of a psychological test
• Addresses a specific question– Does he have a learning disability
and if so how can we help him deal with it
• Usually has multiple sources of data including standardized testing, but also interview
• Requires integration, and interpretation
Assessment
• Yields scores on a measure– What is this person’s IQ?
• Requires standard administration and scoring
• Can be conducted by a trained technician
Testing
Some differences between
• Symptom checklists
• Personality
• Cognitive functioning
• Usually single informant
Adults
• Intelligence
• Symptom checklists
• Personality
• Usually multi-informant
Children
Testing practices in clinical psychology
Integrating data
NoticingEvidence-based psychological assessment
• Informed consent– What will assessment involve
– Who will get a copy of report
• Awareness of limits of confidentiality
• Responsible caring—selecting tools that are suitable to address the question
• Interpreting data in an even-handed way
Ethical considerations in assessment
• Aden is 7 years old. He is having difficulty concentrating in school. He is having a hard time learning to read. His teacher thinks he should see a psychologist.
• Kayla is 14. Her parents separated a year ago and she alternates between living with her mother and step-father and with her father. In recent months she has been cranky and unwilling to do her homework. She seems to get upset at the slightest provocation. Her father would like her to be seen by a psychologist.
Referrals: Children and Adolescents
• Since he received a potentially lethal electric shock at work, Boris (age 48) has had difficulty managing his temper. He is moody and unpredictable. He seems to be having some memory problems. His family physician thinks he should see a psychologist
• Clara (age 84) has lived on her own since she was widowed two years ago. She seems to be withdrawing from activities. She had a minor car accident recently when she turned left across the path of an oncoming vehicle. Her son is encouraging her to see a psychologist.
Referrals: Adults
• In groups of 5-6 review the information on referral for psychological assessment
• Identify areas of psychological research that could be relevant in assessing this person
• Generate ideas about:– The question that a psychological assessment could address
– Hypotheses that a psychologist might explore
– The types of assessment strategies that might be useful
– The ethical issues that would need to be considered
Referrals for psychological assessment
• Developing a plan for an assessment– Determining the 1 or 2 questions (purpose)• Diagnosis; treatment; eligibility for services; life decision (education, job, parenting
plan)
– Generating multiple hypotheses that need to be examined to address the question
– Gathering data to test the hypotheses using a biopsychosocial approach
– Keeping ethical issues in mind• Consent• Confidentiality (to be covered in next chapters)
Developing a plan for an assessment
For next class….
Copyright © 2014 John Wiley & Sons Canada, Ltd. All rights reserved. Reproduction or translation of this work beyond that permitted by Access Copyright (The Canadian Copyright Licensing Agency) is unlawful. Requests for further information should be addressed to the Permissions Department, John Wiley & Sons Canada, Ltd. The purchaser may make back-up copies for his or her own use only and not for distribution or resale. The author and the publisher assume no responsibility for errors, omissions, or damages caused by the use of these programs or from the use of the information contained herein.
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