Confidence intervals (CIs) for parameters are usually constructed based on the estimated standard errors. These are known as Wald CIs. This article argues that likelihood-based CIs (CIs based on likelihood ratio statistics) are often preferred to Wald CIs. It shows how the likelihood-based CIs and the Wald CIs for many statistics and psychometric…

Researchers are analyzing the root causes for the universal problem of chronic academic procrastination, which is believed to raise student's anxiety and sinks their self-esteem. Colleges of Belgium, Canada, and Netherlands have begun to develop counseling programs that draw on cognitive and behavioral research to help students lessen…