Chapter 1 - Introduction - Exercises 1.2.1 - 1.2.10 - Page 16: 1.2.8

a) experiment b) outside factors (ex. placement of garden, amount of sun) c)could not be blind

a) This was an experiment because the conditions were determined by the researchers. b) Since there are many factors that were not addressed in the problem, these factors could have influenced the results. c)The plants have no form of consciousness, therefore they cannot be blind, and the experiment cannot be double blind.