2.4 Explain how to use informal assessment to effectively prepare for an
examination​

Common Examples of informal assessment include:

•Self-questionnaire or checklist.

•Project.

•Writing samples

•tests and quizzes made by teachers

•Portfolio.

•Gradding assignments.

•Student created quizzes.

answer; if congress didn't act on certain requests;

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.