Jennifer manages a research program that is looking at whether regular use of word game apps can help limit memory declines among the elderly. What is the goal of Jennifer's research? 

Mr. and Mrs. Lembo are parents of a mentally retarded child. It is most likely that their child:

a. is a female rather than a male. b. suffers obvious physical defects. c. was born with an extra chromosome. d. will have difficulty adapting to the normal demands of independent adult life.

Dr. Newman spent three years in Botswana, participating in the daily life of a community there. She gathered extensive field notes, consisting of a mix of self-reports from members of the community and her own observations

Which of the following research methods did Dr. Newman most likely use in her research? A) ethnography B) structured observation C) the microgenetic design D) the clinical, or case study, method