Overview of significance of Sunday - linked to revision and also with student questionnaire at end. (tes.com)
Nonetheless, reliability can be improved through the use of multiple trained observers, observing a range of lessons with the same teacher, using more than one instrument; and through combining the observation data with other sources of evidence, such as student questionnaires, attainment - based measures of value - added and examples of their work during the lesson. (educationdevelopmenttrust.com)
Student questionnaires for the pre-test (at the beginning of Grade 6), post-test 1 (at the end of Grade 6), and post-test 2 (at the end of Grade 7) were administered in class time by trained research assistants blind to group allocation. (frontiersin.org)