1. Researchers wanted to find out how to maximize the amount of candy kids get during Halloween trick or treating. They investigated the effect of the child's costume, as well as what the child says when asking for candy. Children for the study were given either a cute costume (e.g., princess) or a scary costume (e.g., witch) to wear on Halloween. Children were instructed to visit 15 homes during trick-or-treating. For the first five homes they were to use one greeting, then another greeting for the next 5 homes, and then the 3= greeting for the last 5 homes. The 3 phrases to be used when greeting the homeowners were "Trick or Treat!", "Happy Halloween", and "I love candy!". The greetings were used in a randomly ordered sequence for each kid. No candy was allowed to be eaten before the end of the experiment, and the number of individual candies acquired after these 15 homes were then counted by the researchers. IV1 IV 2 The independent variables (IVs)? Levels of each IV? Between-subjects or within- subjects? Manipulated variable or subject variable? Factorial notation and design type