Reliability represents the measurement consistency of a test. We must ensure that parents can rely on the consistency and accuracy of those ratings. Backmarking improves the efficiency of checking consistency. Reliability measures the consistency or repeatability of an observation. Reliability relates to the consistency of an assessment. Consistency and simplicity are also very valuable. This accounts for better performance, consistency and good user experience. Various metrics such as types of ingredients, consistency, and preparation are used. It has a smooth, grained consistency. Snow of a specific consistency was necessary to build them. Anderson makes frequent use of repetition to build emphasis and thematic consistency. Walt Disney insisted on character consistency, and integrity. The free field is in fact necessary for the formal consistency of the theory. This results in a sweet, soft coffee with good consistency. He mixed sugar into the paste to harden its consistency.