
A primary benefit of longitudinal and replicative studies is the ability to track parameters across time. Having multiple longitudinal and replicative studies provides an even greater benefit: the ability to compare changes in parameters for one population to those of another. In 1998, Wynne Resources of Edmonton published a study examining the prevalence of gambling behavior in Alberta.1 The research was conducted as a replication of a 1994 study conducted by the Alberta Alcohol and Drug Abuse Commission. Similar work was conducted by Volberg and Moore (1998) in the state of Washington, replicating their own 1992 study.2 Both studies utilized... Read more →