Automated identification systems that use particular physical characteristics to distinguish one person from another and can be used to identify criminals or provide identity authentication is known as:

 The correct answer is :  Biometrics

Explanation:  Biometrics is the measurement and statistical analysis of behavior and physical characteristics that correspond to each person. The equipment consists of a reader or scanner, a software to convert the scanned data into a standard digital format and a database to store the biometric information for later comparison.

answer; when one group has an extremely high score at pretest;