“…17,22 Activities are classified based on research purposes, and most would divide nursing activities into five categories: direct care, indirect care, documentation, unit-related activity, and personal activity. [13][14][15]17,23 To understand the work of nurses and properly record their observed activities on the instrument, each observer must have clinical knowledge, such as a senior nurse with nursing experience 13 or a trained medical student 14 or senior nursing students. 15 For limiting the interrater reliability, related training and tests must be given to each observer, including the data collection format, coding, description, and guidance.…”