Informes de Lección
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Una calificación puede calcularse cuando el estudiante ha completado una lección. Para mantener el método de calificación razonablemente transparente se utiliza una fórmula relativamente simple. Es el número de respuetas correctas dividido entre en el número de páginas de pregunta vistas. Este número simplemente se escala según el parámetro de calificación de la lección.
Cuando se activa la Puntuación Personalizada en la página de configuración de la Lección, el algortimo de calificación cambia. En vez del criterio anterior, la calificación se basa en los puntos obtenidos por el usuario, los cuales se dividen entre el total de puntos posibles. De manera que, los valores de puntuación asociados con cada respuesta del usuario se van añadiendo. Esto se divide por el total de la puntuación máxima que el usuario podría haber obtenido para cada página contestada. Este número luego se escala según el parámetro de calificaación de la lección.
A grade can be calculated when the student has completed a lesson. In order to keep the method of grading reasonably transparent a relatively simple formula is used. It is the number of correct answers divided by the number of question pages seen. This number is then simply scaled by the grade parameter of the lesson.
When Custom Scoring is turned On in the Lesson settings, then the grading algorithm changes. Instead of the above, the grade is based on earned points by the user, which is divided by the total points possible. So, the point values associated with each of the user's answers are added up. That is then divided by the total of the maximum points that the user could have earned for each page answered. This number is then scaled by the grade parameter of the lesson.
A lesson is graded when the student reaches the End of Lesson. This point is usually reached by answering the question on the last (logical) page correctly.
The student does not have to go through all of the lesson in one "sitting". If a student goes through some pages and then breaks off, the next time they view the lesson they are asked whether they want to start at the beginning of the lesson or at the point where they left off. The latter point is actually the page they reached with their last correct answer. The previous "attempts" are recorded and the grade for "broken" sessions will include pages seen and questions answered in other sessions.
In a way giving a grade to a lesson is both a blessing and a curse. The main focus of a lesson should be the transfer of knowledge in a reasonably interesting way. Giving a grade may well turn the lesson into a kind of quiz where giving the answers correct is the sole goal. On the other hand, students like to get a perfect "score" and giving grades may well be the carrot needed to get the student to repeat the lesson until they get the magic 100%.
Although lessons do have grades, they should not be considered as assignments which lead to meaningful "marks". They are most useful as Formative Assignments where the grades, although some measure of activity, are not generally counted in the final mark for the course. If lessons are used in a formal way then it is probably best to use their grades in thresholds. For example "You must get an average of at least 80% overall in the eight lessons in this course before you can take the XYZ assignment." Lessons are mainly used to get across chunks of knowledge. Testing that knowledge is something else.
