PSYCH 215 Chapter Notes - Chapter 3: Face Validity, Intelligence Quotient, Intellectual Disability

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5 Feb 2017
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Clinical Assessment, Diagnosis and Treatment
Thursday, February 2, 2017
12:33 PM
Over View: A patient names Angela Saventi who was 22 years old was feeling depressed and made an
appointment with a local therapist, when therapists get a new patient they must do a clinical
assessment of the patient in order to give a diagnosis and offer proper treatment
When receiving a new patient clinicians apply the models to assess patients but first they must
gather idiographics
Idiographics: Individual information about patients; allows clinicians to fully understand their
patients to better help overcome their problems. To gather information they use assessment and
diagnosis, and then they are in a position to offer treatment
Clinical Assessment: How and Why does the client
behave Abnormally?
o Assessment: Gathering of information in an effort to reach a conclusion
Ex: Deciding which cereal to buy, or which presidential candidate to vote for, college admissions
officers selecting the "best of students" relying on interviews, grades, test scores,
recommendations etc.
o Clinical Assessment: Used to determine how and why a person is behaving abnormally, and how
that person may be helped
o Enables clinicians to evaluate people's progress after they have been in treatment for a while and
decide whether treatment should be changed
o Hundreds of clinical assessment techniques and tools
o All fall into 3 categories: clinical interviews, tests, and observations
o These tools must be standardized; must have clear reliability and validity
Standardization, Reliability, and Validity: The
Characteristics of Assessment Tools
o All Clinicians must follow the same procedures when using a particular technique of assessment
o Standardize: To standardize a technique is to set up common steps to be followed whenever it is
administered, clinicians also must standardize the way they interpret the results of an assessment
tool in order to be able to understand what a score means
Tests can be standardized by first administering it to a group of research participants whose
performance will serve as a standard against later scores
Group must be typical of the population that the test was intended for
o Reliability: The consistency of assessment measures, a good assessment will always yield the
same results in the same situation
1. Test-retest reliability: If it yields the same results every time it is given to the same people
Ex: if a woman takes a test that indicates she is a heavy drinker, if she takes the test again a week
later the test should yield the same results
To measure test-retest reliability the individuals are tested on two separate occasions and the
scores correlation is measured, higher correlation, stronger test-retest reliability
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