Apply arithmetic mean of frequency distribution to find the expected value of a random variable The expected value of discrete random variable as summation of product of discrete random variable by ...

The reading and math skills of fourth and eighth grade students has declined in multiple U.S. states, according to a recent report, New Mexico having the lowest averages.

Parents’ educational beliefs are thought to guide children’s early development in school. The present study explored the association between parent’s growth mindset and elementary school-aged children ...

Department of Psychological Sciences, Interdisciplinary Neuroscience, University of Missouri, Columbia, MO, United States However, performance on achievement tests is continuous and generally normally ...