Jarod is conducting research on the homeless. for six weeks, he has lived among the homeless "24/7," sleeping on the street or at a shelter, and engaging in the same activities as the population he is studying. by doing so, jarod has been able to gather a broad understanding of the homeless, their needs, and characteristics. in view of this, jarod is using as a method of gathering data. a. representative sampling b. secondary analysis c. content analysis d. participant observation

As you drive in to school, you hear a random radio-show caller arguing that sun exposure really has not been shown to cause skin cancer and that some research suggests that skin cancer is completely genetic and not related to sun exposure at all. at the time, you think that this is a silly argument and that the caller does not know what she is talking about. however, two months later, you are outside without wearing sunscreen, and you find yourself remembering that you had read something about how the sun actually does not cause skin cancer. this process is evidence that has influenced your attitude