In explaining a group problem-solving task, the teacher should always be sure to motivate and encourage students to be risk takers and use their creative thinking abilities. Which of the following lesson elements would be the most effective in achieving this goal? Expectations are stated by confirming that the class will hopefully perform to a high standard due to their past performances in problem-solving. After stating and referring to the written assignment on the board, assigned teams will be expected to have solved the problem in a provided scenario when the set timer goes off after sixteen minutes. The teacher states that in this scenario, there may be many good answers. There would not be one specific correct answer, but each group's creative response to the scenario must be grounded in facts as well as evaluated with the rubric by the whole team. Students are expected to complete a provided rubric to self-evaluate and defend their work as a group before the teacher provides the grade