The concept of "evidence based HR" is using specific tools (key performance indicators) to help clarify course of action, identify errors or omissions, and align HR to corporate strategy. It is a decision-making process combining critical thinking with use of the best available scientific evidence and business information (Rousseau & Barends 2011). It forces HR professionals to measure their efficiency and effectiveness quantitatively. In addition, it presents a clearer way to share information with colleagues in a systematic way. One tool that is used is Critical Path Analysis, which helps illustrate the minimum time needed to complete a process. Another method is process mapping, which can help determine needed steps/tasks and enable users to systematically follow the process outlined. Utilizing these tools helps develop uniform, consistent operating procedures, which results in a more efficient system.
Two key characteristics of evidence based HR are a focus on business strategy, taking into account financial and organization performance measures that are most critical to the company and then using quantitative methods to identify human capital strategies that drive those outcomes; and standards of evidence, in which criteria is used to determine the importance of various relationships which can be used to better design employee strategies. An example is the measurement of employee productivity and work quality against organizational goals.
Evidence based HR forces human resource professionals to systematically gather, utilize and evaluate information based on results. In addition, it causes HR professionals to be precise and utilize valid evidence. To do this, HR professionals must evaluate evidence to determine its' worth. Furthermore, it involves change and systematic work skills, which often causes resistance. However, at the same time
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