Showing 1 - 10 of 70
This paper describes a five-step procedure for meta-analysis. Especially important was the contacting of authors of prior papers. This was done primarily to improve the accuracy of the coding; it also helped to identify unpublished research and to supply missing information. Application of the...
Persistent link: https://www.econbiz.de/10005062671
Studies suggest a bias against the publication of null (p > .05) results. Instead of significance, we advocate reporting effect sizes and confidence intervals, and using replication studies. If statistical tests are used, power tests should accompany them.
Persistent link: https://www.econbiz.de/10005062675
Romer (1993) suggests that universities should undertake experiments that would test the value of mandatory attendance for economics courses. He presents evidence showing that those who attended his classes received higher grades on his exams and concluded that “an important part of the...
Persistent link: https://www.econbiz.de/10005408076
What evidence exists on the value of formal planning for strategic decision-making in marketing? This paper reviews the evidence. This includes two tests of face validity. First, we use the market test: Are formal procedures used for marketing planning? Next, we examine expert prescriptions:...
Persistent link: https://www.econbiz.de/10005408081
Intentional Changes is an important book. It suggests different approaches to the way in which we try to implement change. It provides, as do most important books, much that you will disagree with. Tough’s conclusions are based on studies that are likely to be unknown to you. The book is...
Persistent link: https://www.econbiz.de/10005408084
As Cicchetti indicates, agreement among reviewers is not high. This conclusion is empirically supported by Fiske and Fogg (1990), who reported that two independent reviews of the same papers typically had no critical point in common. Does this imply that journal editors should strive for a high...
Persistent link: https://www.econbiz.de/10005408086
My review of empirical research on scientific publication led to the following conclusions. Three criteria are useful for identifying whether findings are important: replication, validity, and usefulness. A fourth criterion, surprise, applies in some situations. Based on these criteria,...
Persistent link: https://www.econbiz.de/10005408088
In forecasting demand for expensive consumer goods, direct questioning of potential consumers about their future purchasing plans has had considerable predictive success [1, 2, 4]. Any attempt to apply such 'intention to purchase' methods to forecast demand for proposed products or services must...
Persistent link: https://www.econbiz.de/10005408089
Valid predictions for the direction of nonresponse bias were obtained from subjective estimates and extrapolations in an analysis of mail survey data from published studies. For estimates of the magnitude of bias, the use of extrapolations led to substantial improvements over a strategy of not...
Persistent link: https://www.econbiz.de/10005408092
Hartley, Trueman and Meadows [3] contribute useful evidence on whether scientists can gain prestige by writing in a manner that is difficult to read. This has been called the bafflegab theory by some. They concluded that the evidence was not strong. This comment examines some of the conclusions...
Persistent link: https://www.econbiz.de/10005408093