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.
The advance reservation period (ARP) for booking reserved train tickets will be reduced from existing 120 days to 60 days (excluding the date of journey) from May 1, according to a Railway notification issued today. However, all the bookings done up to April 30 under the existing ARP of 120 days will remain intact. The reduction of advance reservation period to 60 days will be a deterrent for touts who book bulk tickets in advance.