Becky wants to see if there is an effect of “senioritis” on college students’ grades. She asks psychology students in each year of school (freshman, sophomore, junior, or senior) to report their fall semester GPA. Which of the following would be the best way to illustrate Becky’s results?
A. A scatterplot, in order to observe the relationship between the two variables
B. A normal curve, because the scores should be normally distributed across all groups
C. A histogram, in case the data are not normally distributed and it’s better to look at the median than the mean
D. A frequency distribution, in order to observe patterns across different groups
Answer: D
You might also like to view...
Maternal smoking is associated with low birth weight and premature birth.
Answer the following statement true (T) or false (F)
Suppose twin teenagers are vying for their mother's attention. The mother is trying to pay attention to one of her daughters, though both girls are talking (one about her boyfriend, one about a school project). According to the operating characteristics of Treisman's attenuator, it is most likely the attenuator is analyzing the incoming messages in terms of
a. physical characteristics. b. language. c. meaning. d. direction.
A height/weight ratio frequently used to assess healthy weight, overweight, and obesity is the a. body mass index (BMI). b. body composition test
c. submersion test. d. Set Point Index.
Compared with physicians, midwives who oversee birthing produce
a. higher rates of deliveries by undergoing cesarean birth. b. lower rates of deliveries by undergoing cesarean birth. c. more satisfaction with care and use of medication by the mother. d. less satisfaction with care and use of medication by the mother.