Casual examinations are useful because
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Casual examinations are useful because
they can be given when a teacher wants to know about his teaching
the teacher wants to prepare the student for finals
they properly evaluate the knowledge of the student
all of the above
Casual examinations serve primarily as a diagnostic tool for teachers to evaluate the effectiveness of their own teaching methods. By testing students informally, teachers can identify which concepts have been understood and which need further clarification. While these exams may help prepare students, their main purpose is formative assessment for the teacher's instructional improvement rather than comprehensive student evaluation.