Question

In marketing children's products, it's extremely important to produce television commercials that hold the attention of the children who view them. a psychologist hired by a marketing research firm wants to determine whether differences in attention span exist among advertisements for different types of products. fifteen children under 10 years of age are randomly asked to watch one 60-second commercial for one of three types of products, and their attention spans are measured in seconds.

Answer 1

Description of this experiment: This type of experiment would be deemed as completely randomized, as the subjects are chosen at random to watch the commercial. The subjects are 15 children under 10 years old. The different factors in this experiment are the commercials, as well as the 3 levels of products (types). The response in this experiment would be the children's attention span.