Researchers can evaluate learning by using direct and indirect assessment. Although there are various ways to apply these approaches, two common techniques are pretests and posttests (direct assessment), in which students demonstrate mastery of topics or skills, and the use of knowledge surveys (indirect assessment). The present authors used these…

Conventional methods used for the presentation of pre- and post statistical information generally are deficient in economy and compactness and fail to show internal movement from pre- to posttest. This technique precludes these shortcomings through the presentation of information in a highly visible manner which reveals the strata of internal…