Suppose I wanted to determine if there is a relationship bet…

Suppose I wanted to determine if there is a relationship between the number of absences from my class and a student’s GPA. After collecting several semester’s worth of data, I notice that students who miss more classes tend to have a lower GPA.  In a scatterplot of days missed and GPA, what would be the response variable and what type association would you expect to see?

At Plains High School, students who are tardy to class are g…

At Plains High School, students who are tardy to class are given “Yard Patrol” after school. Yard patrol amounts to requiring the students to clean up any trash found on the school grounds. As it turns out, the strategy is moderately successful; fewer students are tardy to class. Which of the following concepts from operant conditioning is best illustrated by the school’s strategy?

Using the CPT manual, assign the appropriate code for the fo…

Using the CPT manual, assign the appropriate code for the following case: A patient with bilateral vocal cord paralysis presents for removal of arytenoid cartilage. This is being done to improve the patient’s breathing. With the patient placed under general anesthesia, the flexible laryngoscope with operating microscope is inserted into the oral cavity. The pharynx and larynx are examined under the microscope. After adequate visualization is established, the arytenoid cartilage is exposed by excision of the mucosa overlying it and arytenoidectomy performed. CPT Codee