Exam 5: Selecting a Sample

Joe is the director of middle school science education for the state and is interested in differences between teaching science content in thematic units or by teaching the content in the units as presented in the students' text. He randomly selects classrooms in the state to participate. This best illustrates

Some researchers have complained that most of the research that has been conducted with the benefits of animation for student learning has been done on college students enrolled in introductory courses at large research institutions. Assuming this is true what does this problem illustrate?

Gimbya is completing a narrative study on the benefits of accommodations for post-secondary students at her small liberal arts college. Of the following which is likely her sampling strategy?

Ina explores eating disorders among male athletes. Nick is a key informant in her study. Which of the following is the most likely sampling strategy that Ina used in her research?

Lars is conducting a quantitative study that examines students' achievement within schools, districts, and states in the United States. Which of the following sampling strategies will Lars likely need to use to obtain his sample?

The characteristics of a sample that include pertinent information about the sample, such as gender or socioeconomic status, are referred to as the samples'

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?

Isabella is conducting a study of American middle-school science teachers' beliefs about content area reading. She obtains a list of all the middle-school science teachers in the state who are members of the National Reading Conference NRC). She lists all of the names and selects every third name as a participant in her study. -Who is the target population in Isabella's study?

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?

Charleon is conducting a study to examine TechState employees' use of university computers for non-work related tasks. She would like to generalize her findings to all of the employees of the TechState University community. -If Charleon is conducting this study as a quantitative researcher, which of the following nonrandom sampling strategies might she employ?

Tavares is a quantitative researcher interested in surveying members of a particular school district regarding their opinions on funding for language instruction. He develops a survey to mail to those living in the district. He wants to assure that he has responses from district members across the range of Socio-Economic Status. Of the following, which is the best way for Tavares to assure he has adequate sample size and representativeness?

Given Isabella's strategy, selecting teachers who are members of the NRC represents which of the following?

One benefit of cluster sampling is

Sophia needs to conduct a survey for the Alumni Association. She takes the list of all the alumni and calls every 10^th name on the list. Sophia is best illustrating

All forms of sampling include the following steps EXCEPT

Derrick is conducting a stratified sampling procedure. He wants to assure he has the appropriate representation of students from at each of the class levels in his study. Next he will

Which of the following are two general indicators that determine adequacy in sample size?

Graham recruited student volunteers to participate in his dissertation study. He set up several times for students to come to a specified classroom and read various types of instructional materials and to be tested. He ran all of his control conditions first and then for each session he placed all students at the session in the same treatment condition. This is problematic because those who volunteered early are likely different than those who volunteered later. This problem is primarily due to

Isabella is conducting a study of American middle-school science teachers' beliefs about content area reading. She obtains a list of all the middle-school science teachers in the state who are members of the National Reading Conference NRC). She lists all of the names and selects every third name as a participant in her study. -Who is the available population in Isabella's study?

In simple random sampling, after the researcher has determined the desired sample size she must