Various factors can affect reliability and validity of data. Some of the most significant factors in this context include length of scale along with definitions of the items or data components. Duration of scale is another significant factor that can compromise its effectiveness (Cheong, 2016). In the same manner, scoring mechanism and its objectivity plays an important role to affect data validity and its reliability. Scale explanation is another important factor in this regard and it has a direct impact on validity of data. Most of data is complex and complexity and difficulty of data can influence reliability of data as well.