The POA, Cognitive Series, is IPMA-HR’s most recently developed entry-level police officer assessment and uses the most modern development approach that relies on a combination of (3) legally and professionally supported sources of validity evidence. Some of the item types that appear on the POA, Cognitive Series, were sourced from the previously developed PO-EL 100 (TIP) and PO-EL 200-NC (TIP) Series.