classes:  lecturer. lecturers do not introduce the content of study and test (examination), the content of the test (examination) is too long compared to the time and inappropriate scoring distribution.  curriculum. lecturers do not introduce the content of study and test (examination), the content of the test (examination) is too long compared to the time and inappropriate scoring distribution.  facility. lecturers do not introduce the content of study and test (examination), the content of the test (examination) is too long compared to the time and inappropriate scoring distribution.  general. lecturers do not introduce the content of study and test (examination), the content of the test (examination) is too long compared to the time and inappropriate scoring distribution.