Dr. Dread teaches one group of students with a standard lecture format whereas the other class is taught using a group discussion and cooperative learning approach. He gives a cumulative final exam at the end of the term that is scored pass of fail. Which of the following statements is true of Dr. Dread's approach?
A) His use of nominal outcome data represents a loss of information in comparison to an alternative method that uses ordinal level data
B) There are multiple levels of the IV
C) The IV and DV are both categorical
D) a and c

Question

Quizplus · Accepted Answer

A) The use of pass/fail scoring (nominal data) indeed represents a loss of information compared to using a grading system that ranks students (ordinal data), as it does not differentiate between levels of performance beyond passing or failing. C) The independent variable (IV), which is the teaching method (standard lecture vs. group discussion/cooperative learning), and the dependent variable (DV), which is the outcome of the final exam (pass or fail), are both categorical.

Dr Dread Teaches One Group of Students with a Standard