8. A little boy was afraid to go to sleep at night because he was convinced that a dinosaur was going to come into his room and eat him. In order to assuage his fears, his mother sprayed "dinosaur repellant" in his room each night (it was really air freshener). No dinosaurs ever came into his room. This is an example of a. A confound b. A lurking variable C. A quantitative variable 9. According to levels of measurement, the HEIGHT of the students in the class qualifies as a. nominal b. ordinal c. interval d. ratio