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.
All guests can also make use of kiosks in the parks to make or change FastPass+ reservations. However, there are some differences between onsite and offsite guests: 1  On-site guests can make FastPass+ reservations (3 per day in 1 park) using the My Disney Experience app or website up to 60 days in advance.