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Plans for Assessment

• Comparative: experimental/control group longitudinal study: This type of study longitudinally assesses learning by comparing the performance of two or more classes, or two or more groups within a single class. Using the classic scientific paradigm of control group vs. experimental group, this approach seeks to determine the long-term effect of certain innovations and/or interventions by following up. This combined approach of experimental/control group and longitudinal assessement is interested in gauging learning by comparing groups in their performance over time. [Summaries]
• Comparative: experimental/control group study: This type of study assesses learning by comparing the performance of two classes or two groups. Using the classic scientific paradigm of control group vs. experimental group, this approach seeks to determine the effect of certain innovations and/or interventions. For example, one might compare the performance of a class (the experimental group) with the performance of students taking the same course in an earlier semester (control group). Or, one might simultaneously evaluate two classes or two groups within a class, designating one as the experimental and the other as the control group. Experimental/control group assessment is interested in measuring learning by means of side-by-side comparison. [Summaries]
• Comparative: longitudinal study: This type of study longitudinally assesses learning by comparing before-and-after performance of a single class within the course of a single semester or beyond. This approach seeks to determine the lasting effects of certain innovations and/or interventions by following up over time. For example, a pre-test given early in a semester might be compared to a post-test given later. Or, the performance of students on a test might be compared to how they do a year later on the same test. Longitudinal assessment is interested in measuring learning over time. [Summaries]
• Non-comparative study: This type of study assesses learning in a single class in a single semester without comparisons to other classes or groups. [Summaries]

See also: Assessment Toolbox

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