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.
Starting January 12, 2018, guests staying at some Disney World resorts who have 3+ ticket days (or an Annual Pass) can pay $50 per person per day to book an extra 3 FastPass+ reservations up to 90 days ahead. These FastPass+ can be in any park and include the option to book preferred viewing for nighttime shows.