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Research Now Shows that Coach Really Works!Independent, Peer-Reviewed,
Methodologically-Valid,
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GGCI Executive Coaching Client Survey Results, Including the RROI ("Rapid" Return on Investment) of Executive Coaching |
Source: Grant, A.M. (2009) Workplace, Executive and Life Coaching: An Annotated Bibliography from the Behavioural Science and Business Literature (May 2009), Coaching Psychology Unit, University of Sydney, Australia
* Randomized Controlled Trial: (RCT) A study in which people are allocated at random (by chance alone) to receive one of several clinical interventions. One of these interventions is the standard of comparison or control. The control may be a standard practice, a placebo ("sugar pill"), or no intervention at all. Someone who takes part in a randomized controlled trial (RCT) is called a participant or subject. RCTs seek to measure and compare the outcomes after the participants receive the interventions. Because the outcomes are measured, RCTs are quantitative studies. In sum, RCTs are quantitative, comparative, controlled experiments in which investigators study two or more interventions in a series of individuals who receive them in random order. The RCT is one of the simplest and most powerful tools in clinical research. (Source: http://www.medterms.com/script/main/art.asp?articlekey=39532.)
** Quasi-Experiment Field Study is a scientific research method primarily used in the social sciences. "Quasi" means likeness or resembling, so therefore quasi-experiments share characteristics of true experiments which seek interventions or treatments. The key difference in this empirical approach is the lack of random assignment. Another unique element often involved in this experimentation method is use of time series analysis: interrupted and non-interrupted. Experiments designed in this manner are referred to as having quasi-experimental design. (Source: http://en.wikipedia.org/wiki/Quasi-experimental_design.)
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