What is Adverse Impact and why you should care.

  What is Adverse Impact and why as an HR person you should care. Adverse impact relevant to any hiring plan, as it can appear without warning or intent. Beyond simply the intent to discriminant against a particular class (gender, ethnicity, etc.), adverse impact occurs when a measure used for decision-making (be it an assessment or performance appraisal) produces biased results. Adverse … [Read more...]

What is test reliability and why does it matter?

  Definition of reliability                 Reliability is the relationship between a person’s true score/ability and the observed score and is a key component in test development. Now one might thing that these will be perfectly correlated. However it is not going to be the case think back to a time when you were taking a test and you knew the material well but the score you achieved was … [Read more...]