As well as appraisal there are also other ways for a business to evaluate the workforce performance.
Labour Turnover - This measures the number employees who have left the business.
If this is a high figure it could be a symptom of low morale.
Absenteeism - when employees are absent from work with minor medical ailments such as an upset stomach or a headache. Absenteeism can be a key indicator of low moral and motivation levels
Lateness - works out how often employees are late to work, high levels could mean low motivation to come to work.
Workforce productivity - a measure of output per employee in a particular period of time. Productivity is a key indicator of employee performance.
Limitations of the use of these Quantitative methods: