Student speaks most of the time in the target language. Student may occasionally refer to notes. Student needs some work on pronunciation. Student does not stick to the target language. Student needs notes.
Student reads from notes.
Uses appropriate statistical test with correct results. Provides an interval estimation of the values of the parameter. Includes a hypothesis test and gives accompanying p-level stating probability of type 1 error. Provides most of level 5 but one of the traits is missing or unclear. Uses correct statistical test but estimation or interpretation is omitted.