Main Effects & Interactions page 2. Because a main effect is the effect of one independent variable on the dependent variable, ignoring the effects of other independent variables, you will have a total of two potential main. effects in this study: one for age of student and one for teacher expectations. In general, there. is one main effect for every independent variable in a study.
When to Make Reservations. Guests staying at a Disney Resort can book Fastpasses up to 60 days in advance. At that point they are able to make reservations for the length of their stay. Guests not staying at a Disney Resort can book Fastpasses up to 30 days in advance.
In summer, especially on weekends, it's a good idea to reserve your tickets in advance, especially for the high-speed ferries. Whichever ferry you take, be at the dock at least 30 minutes before departure time to check luggage, load bikes, check tickets, and get in line to board and find the seat you want.