HR and research, statistic

This assignment is required your completely understanding about HR and research, statistic. The references have to use to applied for this assignment are “Cascio, W. & Boudreau, J. 2011. Investing in People: Financial Impact of Human Resource Initiatives. 2nd Edition. Upper Saddle River, NJ: FT Press.” and “Field, A., 2013, Discovering Statistics Using SPSS, 4th Edition, Los Angeles, CA: Sage”. Please show your completely understanding about the subject. This assignment included 2 questions. U have to answer them separately.

1. What are the main obstacles towards developing a metrics and analytics driven approach to HR in most companies? How can these be overcome?
2. What is required to demonstrate causality and internal as well as external validity in organizational research? Describe one study design you could use to convince your CEO that employee attitudes are causally related to customer servicescores (i.e. employee job satisfaction leads to customer satisfaction)?
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