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.
State Park Reservations. We are now making reservations for arrival dates up to: 07-13-2017. Starting June 1, 2016 a maximum of 2 transfers are allowed on each reservation. Go to the Changing a Reservation section of the Reservations Information page for details. 1  Check campsite, shelter, cabin and motel room availability. 2  Make or cancel reservations 24 hours a day, seven days a week, and up to 333 days in advance.  Use a credit card to confirm reservations.