classes:  lecturer. Inappropriate learning content, does not effectively provide the required knowledge, too many theories, too cumbersome theories.  curriculum. Inappropriate learning content, does not effectively provide the required knowledge, too many theories, too cumbersome theories.  facility. Inappropriate learning content, does not effectively provide the required knowledge, too many theories, too cumbersome theories.  general. Inappropriate learning content, does not effectively provide the required knowledge, too many theories, too cumbersome theories.