olzcor.blogg.se - Importance of validity and reliability in assessment

Candidate’s Psychological State: The state that a candidate is in before taking an assessment is very important to the outcome.

Assessors will tend to give ratings based on their own background and level of exposure.

Multiple Assessors: When there are multiple assessors, there is bound to be difference in scores, especially if the scoring of the assessment is dependent on the assessor’s judgement, such as essays etc.

Environmental Factors: Some environmental factors that may lead to a candidate not getting the same results include lighting of the test room, the ventilation, noise, the test administrator etc.

Some factors that may be responsible include: In a situation where the candidate that takes a test does not get similar results, that does not automatically mean that the test is not reliable. This puts you in a better position to make broad statements about a candidate’s level of capability, especially when using assessment results to determine a candidate’s suitability for a role. Reliable assessment results will assure you that similar or repeated assessments will produce consistent results. These questions address the issue of whether candidates consistently perform on all of the items in a given assessment.

Will the scores be similar if you test a candidate today and again tomorrow? Are you going to see similar scores on the same assessment if you test one population of candidates and another population of candidates? You can think of reliability in terms of score consistency. The degree to which assessment scores are accurate and free of measurement error is referred to as reliability. Corporate Performance & Execution Management.Digital Content Creation And Conversion.