Goertz, G.

condition hypotheses condition hypotheses ceiling hypothesis management example erasmus univ rotterdam floor theory research performance methodology project value democracy condition hypothesis project performance analysis regression study outcome operations management figure operation table testing variable success employee goertz quantile journal business unit interest building business erasmu region rotterdam paper relationship interest co-variational statement involvement level constraint result quantile regression counterexample growth score university condition statements no-data labor repression november floor hypotheses smr.sagepub.com downloaded section mclachlin science failure cambridge university press labor literature number implementation country factor employee involvement sinha verma scatterplot management commitment employee responsibility right provision scope