This document provides guidance for assessors on conducting self-directed learning and reviewing key concepts from assessor training sessions. It discusses National Occupational Standards, the roles of various practitioners in assessment including assessors, internal quality assurers and external quality assurers. It also covers important assessor skills, how people learn, learning styles, communication barriers to learning, evidence requirements, types of assessment including initial, formative and summative, assessment methods, and considerations for making valid, fair and objective assessment decisions. The document is intended to refresh or recap the information presented in assessor training.