We are interested in selecting a sample from a population of size 4,000 in order to develop an approximate 95% confidence interval estimate of the population mean. A pilot study has resulted in a standard deviation of 600 . What should be the sample size if we do not want the sampling error to exceed 200?

Researchers, hidden from view, recording the behavior of unsuspecting shoppers as they walk through the supermarket would be a form of research considered unethical by a:

A) deontologist B) sociologist C) teleologist D) criminologist E) deaconologist

Which method can reduce the level of culture shock an expatriate is likely to experience?

A) predeparture language training B) increased foreign compensation C) initial long-term assignments D) personality testing