Dr. Johns was interested in the effect of auditory noise on visual attention. She ran an experiment in which she gave people either an easy visual search task or a hard visual search task while a siren was going off and measured the reaction time. Dr. Johns could analyze her experiment using

Mrs. Petraglia is the teacher of a 3rd grade class, and the kids are working on learning how to write sentences and paragraphs. Even though all of the students have very different handwriting – some neat, some sloppy,

some nearly unintelligible – Mrs. Petraglia is able to read the words of all of her different students because she expects to see certain letters and certain words on the papers. Which theory of perception explains why Mrs. Petraglia can read her students' various handwriting? a. Bottom-up processing b. Top-down processing c. Illusory contours d. Graphorelative prediction

Nine-year-old Erin has been evaluated as inattentive at school but not at home

However, her parents report that she is often hyperactive at home, something that her teacher does not see as a problem. Based on this information, which of the following statements is most likely to be correct? a. Erin does not show all of the symptoms of ADHD in a single context and therefore should not be diagnosed with the disorder. b. Because different contexts bring out different symptoms, it is plausible that Erin has ADHD. c. Erin's parents are misinterpreting her behavior at home. They should set clear limits and help her academically, rather than describe her as hyperactive. d. Erin's teacher needs to be encouraged to address Erin's inattention and hyperactivity at the same time in a classroom intervention for ADHD. e. a and c