Which cell responds most strongly to a stimulus moving perpendicular to its axis?

Daris, a marathon runner, is trying diligently to read his textbook, but he keeps finding himself preoccupied with his upcoming race. He is frustrated because he has had to go back and reread sections the textbook in order to really understand the material. Daris seems to be having difficulty with _____

a) retrieval. b) the positive bias of memory. c) encoding. d) reconstruction.

Researches who wish to conduct studies are NOT required to do which of the following?

a. Provide participants with information about the risks and benefits to participating in the study. b. Provide participants with a full explanation of the hypothesis being tested following the experiment. c. Provide participants with information about the exact hypothesis before the study begins so that subjects can make an informed decision about whether they want to participate. d. Provide sufficient detail before the study begins so that subjects can make an informed decision about whether they want to participate.