Researchers are strongly encouraged to accompany the results of statistical tests with appropriate estimates of effect size. For 2-group comparisons, a probability-based effect size estimator ("A") has many appealing properties (e.g., it is easy to understand, robust to violations of parametric assumptions, insensitive to outliers). We review…

The intent of this study is to learn about principal intern perceptions of their grasp of the identified state principal standards for Colorado. A non-experimental comparative approach was used for this inquiry. Interns were trained to use an online journaling process called Journey Mapping. On a six point scale they rated themselves on their…