Professional Sports Authenticator (PSA) just announced that due to high demand in grading submissions, prices and turnaround times for some services levels will be increasing as of February 10, 2026.

Basic failure in understanding the subject matter or basic inability to deploy the skills of the course. *Skills of the course are analytic problem solving skills ordinarily, but also may include ...

Abstract: Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal propagation in wireless networks. By smartly tuning the signal reflection via a large number of ...

Through extensive hands-on practice using gemstones, you will explore grading the color, clarity and cut quality of a wide range of colored stones. Coursework includes the study of the GIA Colored ...

A rubric is a scoring tool that explicitly describes the instructor’s performance expectations for an assignment or piece of work. A rubric identifies: criteria: the aspects of performance (e.g., ...

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