1.Observations Observers will observe working of employee and will be make notes But the observation is suitable for some work , but doesn’t apply to work thinking , because cannot observe with my eyes such as designers, programmers.
2.Interviews
It is an efficient method to collect data about the job because can ask data directly from workers but the interview was not to best cause employee can be answer question not real.
3.Questionnaires
It is a style that is fast and save time for data collection and questionnaire is freedom for resondents by respondents can answer questions based on their opinions But the use of the questionnaire maybe make sure.
4.Employee recordings
The recordings made by a worker to take detailed notes of their activities doing the work day but the problem is record over real of employees.