Taste is often called a ____________ sense because it works with the molecules of foods that people eat

Although he could not include all of these people, a researcher notes there are 30,000 adults

over the age of 60 in a community that could be hypothetically included in a study. This group would represent the: A) study sample. B) target population. C) study population. D) special population.

When designing a cross-sectional study with different age groups, a researcher is concerned

that cohort differences may influence his study results. To ease his mind, he ensures that the oldest participants ( age 80 ) are similar in intelligence, education, and social class to the younger participants. What is the researcher's primary concern? A) The older participants may not be representative of the same-aged people in the community. B) He relied on a nonprobability or convenience sample. C) It is very difficult to measure intelligence in older people. D) He should not have relied on a chain sampling method.