#1. Researchers found that an authoritative parenting style resulted in a more advanced social-emotional development (0-30 scale) of autistic children compared to the authoritarian style. What are the independent and dependent variables in this study? What is the type of each variable (categorical or continuous)?

#2. Researchers found that performance on a test for undergraduate students (scored as 2 points for each of 20 questions) was significantly affected by the amount of hours slept the previous night. What are the independent and dependent variables in this study? What is the type of each variable (categorical or continuous)?

#3. Calculate (show your work/calculations):

[(20² - 360) - (-5 x -3 + 15)/5] x 2 - 3