I proposed a process-oriented formative test for group assessment.

The three-phase adminstration includes the following new insights: 1) the change from individual assessment into group assessment; 2) the change from individual
assessment into representative assessment; 3) the change from individual
assessment into representative assessment with structured discussion. Interested researchers can refer to 

Tamah, S. M. & Wirjawan, J. V. D. (2019). Assessment-oriented formative test. The Int. J. Innovation and Learning, 26(1), 66-81. DOI: 10.1504/IJIL.2019.10021091. https://www.inderscience.com/info/inarticletoc.php?jcode=ijil&year=2019&vol=26&issue=1