Answer: Formulate criteria; so that the group members know the group goal and when it has developed a good solution
Step-by-step explanation:
Standard agenda came about through John Dewey and he refered to it as the process whereby through reflective thinking, individuals find solutions to issues.
Based on the information given in the question, using the standard agenda approach, the task that they should primarily focus on is to formulate criteria to enable group members know the group goal and when it has developed a good solution.