Psychometric Qualities

In: Philosophy and Psychology

Submitted By cruffin
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Describe the relevance of psychometric properties in psychological testing.
Psychometric properties assist a therapist in measuring the mental factors or skills that a client possesses in order to complete certain mental tasks. These factors may influence the ways in which the clients react or the ways in which they perform in certain situations. These types of tests are extremely important to the testing process because they allow the researcher to determine how to provide the treatment and interventions that are best suited to their clients needs. In order to develop an appropriate treatment plan and appropriate interventions the effective school counsleor will need to measure the students ' strengths and weaknesses, assess behaviors and attitudes to certain factors as well as take into account the students personal traits, environment and hereditary factors. Psychometric properties call for the measuring and assessment of all of these factors.
Reliability and Validity are essential to assessing a client's behavior in the field of counseling. Internal consistent reliablity is an estimating reliabilty method which measures the consistency of results across the spectrum of items within a test. In essence, this method divides the testing instrument and correlates the scores to determine whether the scores are consistent, or whether there is lack or error within the instrument (Whiston, 2013). Internal consistency measures how closely related the items on a test measure the same thangs. When testing, assessing and measuring, the effective school counselor must choose assessment tools that maintain validity across all constructs and are determined to be reliable, valid and fair. Otherwise, inept assessment occurs.
Coffman, Guerin and Gottfried (2006) advised that the Parent-Child Relationship Inventory warrented additional review and analysis due to the fact…...

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