Exam 5: Selecting a Sample

In homogeneous sampling, researchers

The college Dean asked Meg to conduct a study to survey one half of the college students regarding their opinions of change in course offerings. Which nonrandom sampling approach is Meg likely to use?

In simple random sampling, after the researcher has determined the desired sample size, the next step is to

Abby is conducting research on the perceived role of Arts within medium-sized suburban communities. She wants to survey people with an affinity for some from of the Arts. She goes to a local theatre production of The Music Man to recruit participants. Abby is illustrating

If all participants in a given sample have an equal and independent chance of being selected for a study it is said that the sample has been selected

Sally is completing a narrative study on the rehabilitation of middle-aged women runners after stress fractures in their feet. She therefore selects only women in the 35-45 year age range who are just beginning rehabilitation at one particular clinic. Sally's sampling strategy can best be described as

Ken is conducting a qualitative study for the university regarding the institutional variables that racial and ethnic minority doctoral students face in completing their degrees. He feels he needs to interview about 35 graduates. He interviews a small initial sample identified though formal complaints filed regarding the issue. He then asks each of those he interviews to identify any additional participants they can think of and then interviews those individuals until he has reached his sample size. Ken is best illustrating

Of the following, which is a common example of demographic information collected in a survey study?

The first step in probability sampling is to

Participants identified as those from whom to seek information is the definition of

Ken randomly selected 75 students to participate in his study and then randomly assigned them to one of three conditions. When he examined his groups he found he had very unequal gender by condition. Ken's samples illustrate

The group that the researcher would ideally like to generalize findings to is referred to as

Jill examines the career interest of children of international diplomats. She selects the children of international diplomats from the United States who were in service between 1980 and 1990. The children had to be at least eight years old but less than 16 at the time of their parent's service and had to be stationed outside the United States with their diplomat parent for at least 24 continuous months. Jill is using which type of sampling?

Francisco is studying young children's color preferences by age. He is interested in comparing three, four, and five-year old children's color preferences. He is reluctant to use simple random sampling because he wants to assure that he has comparable numbers of children at each age. Which quantitative sampling strategy is the approach for Francisco to use?

Missy is a key informant in Allison's study on teenage girls' study habits. Of the following, which is likely the strategy by which Missy was selected?

Which of the following is a type of random sampling?

A coach running numerous training camps over the summer is interested in whether it is better to distribute practices into 4 sessions instead of 2 sessions daily. You have several hundred possible participants distributed at training camps in multiple schools throughout multiple districts. Which of the following is the best possible sampling strategy to use if you are interested in generalizability?

Jane is conducting a study at a small liberal arts school on the East Coast that addresses the reasons why male college students are less likely to graduate within a four-year time frame than are female students. She would like her study to generalize to all of the college student population in the United States. Given Jane's study which of the following is the accessible population?

One benefit of cluster sampling is that it

A large marketing firm has decided to do a study that describes the needs of practicing teachers regarding instructional materials. The vice-president wants data from 400 practicing teachers. Shawna, a researcher with the firm, sends a mass mailing and when 400 surveys are returned she analyzes the data. Shawna is best illustrating which sampling strategy?