Quiz 3
A student is required to interview at least three faculty members to determine their opinion on the Farm Progress Show coming to Decatur. The student randomly selects one of the office complexes on campus and asks all faculty in that complex their opinion. (a) Cluster (b) Stratified (c) Systematic (d) Simple Random Sample (e) Convenience
(a) Cluster
A teacher randomly picks one row of students in each of her classes how much time they spend studying. (a) Cluster (b) Convenience (c) Stratified (d) Systematic (e) Simple Random Sample
(a) Cluster
A student is required to interview at least three faculty members to determine their opinion on the Farm Progress Show coming to Decatur. The student takes small photos of each of the faculty and places them on a dart board and then throws three darts at the board. The student interviews the three faculty members who were hit by the darts. (a) Simple Random Sample (b) Stratified (c) Convenience (d) Systematic (e) Cluster
(a) Simple Random Sample
Which of the following is an example of a nonrandom sampling method? (a) convenience sampling (b) stratified random sampling (c) simple random (d) cluster random
(a) convenience sampling
A researcher who wanted to determine the benefits of using a new beginning algebra study technique obtained permission from a school district to select 50 high school students. The researcher selected 50 beginning algebra students at random. The researcher selected 25 of these 50 students to participate in the new study program. The researcher gave a training session on traditional study techniques to the other 25 students and asked them to use these methods. The method of sampling used in the study is (a) simple random sampling (b) stratified random sampling. (c) cluster sampling. (d) convenience sampling.
(a) simple random sampling
When every member of the accessible population has an equal chance of being selected to participate in the study, the researcher is using. (a) simple random sampling . (b) stratified random sampling. (c) convenience sampling. (d) purposive sampling.
(a) simple random sampling .
Which of the following is not an example of a random sampling method? (a) systematic sampling (b) stratified random sampling (c) simple random sampling (d) cluster random
(a) systematic sampling
A student is required to interview at least three faculty members to determine their opinion on the Farm Progress Show coming to Decatur. The student randomly selects one of the office complexes on campus and asks all faculty who are in their offices their opinion. (a) Stratified (b) Convenience (c) Systematic (d) Cluster (e) Simple Random Sample
(b) Convenience
The purpose of stratified random sampling is to make certain that (a) every member of the population has an equal chance of being selected for the sample (b) the sample proportionately represents individuals from different categories of the population. (c) the participants chosen for the study are the ones most likely to react to the treatment. (d) the sample is more representative of the target population than the accessible population.
(b) the sample proportionately represents individuals from different categories of the population.
Which of the following is an example of a random sampling method? (a) purposive sampling (b) two-stage random sampling (c) systematic sampling (d) convenience sampling
(b) two-stage random sampling
A student is required to interview at least three faculty members to determine their opinion on the Farm Progress Show coming to Decatur. The student randomly selects three names from a list of the full time faculty and then asks those faculty members. (a) Stratified (b) Convenience (c) Simple Random Sample (d) Systematic (e) Cluster
(c) Simple Random Sample
The entries to a contest are arranged by the age group of the submitter. Five winning entries are selected from those under age 20, ten from those age 20 to 40, and five from those over age 40 (a) Cluster (b) Convenience (c) Stratified (d) Systematic (e) Simple Random Sample
(c) Stratified
The entries to a contest are arranged in the order they were received. Every fifth entry is selected to win a prize. (a) Simple Random Sample (b) Stratified (c) Systematic (d) Convenience (e) Cluster
(c) Systematic
A researcher who wanted to determine the benefits of using a new beginning algebra study technique obtained permission from a school district to select 50 high school students. The researcher selected 50 beginning algebra students at random. The researcher selected 25 of these 50 students to participate in the new study program. The researcher gave a training session on traditional study techniques to the other 25 students and asked them to use these methods. 7. The most likely target population in this study is (a) algebra students in the district. (b) all students in the district. (c) all algebra students. (d) the 25 students who learned the new study techniques.
(c) all algebra students.
If a researcher selected five schools at random and then interviewed each of the teachers in those five schools, the researcher used (a) simple random sampling. (b) stratified random sampling. (c) cluster random sampling. (d) two-stage random sampling.
(c) cluster random sampling.
The best sample is one that is (a) systematic sample. (b) convenient. (c) representative of the population. (d) purposefully selected.
(c) representative of the population.
Population generalizability refers to (a) conclusions researchers make about a random sample. (b) conclusions researchers make about information uncovered in research study. (c) the degree to which a sample represents the population of interest. (d) the degree to which results of a study can be extended to other settings or conditions.
(c) the degree to which a sample represents the population of interest.
A researcher who wanted to determine the benefits of using a new beginning algebra study technique obtained permission from a school district to select 50 high school students. The researcher selected 50 beginning algebra students at random. The researcher selected 25 of these 50 students to participate in the new study program. The researcher gave a training session on traditional study techniques to the other 25 students and asked them to use these methods. The greatest threat to external validity in this study is (a) the division of the sample into two groups of 25. (b) the use of only 50 students in the sample. (c) the use of students from only one district. (d) the use of only two different study techniques.
(c) the use of students from only one district.
A teacher takes the names of all of her students, puts them into a spreadsheet, and randomly picks 10 students to ask how much time they're spending studying. (a) Convenience (b) Cluster (c) Stratified (d) Simple Random Sample (e) Systematic
(d) Simple Random Sample
A teacher takes the names of all of her students, puts them into a spreadsheet, and randomly picks 20 female students and 10 male students to ask how much time they're spending studying. (a) Systematic (b) Convenience (c) Cluster (d) Stratified (e) Simple Random Sample
(d) Stratified
A teacher numbers the students in the class by fours and then asks every person assigned the number 3 how much time they spend studying. (a) Cluster (b) Convenience (c) Stratified (d) Systematic (e) Simple Random Sample
(d) Systematic
Which of the following is an example of a random sampling method? (a) systematic sampling (b) convenience sampling (c) purposive sampling (d) cluster random
(d) cluster random
Suppose that a researcher conducted a study of student morale in a middle school. The researcher wanted to generalize the results to all middle school students in the district. Under which of the following conditions would ecological generalizability have been threatened? (a) the school is located in a high socioeconomic neighborhood (b) the school is an all-girls school (c) the school is a private school (d) this is the first year in a new school building
(d) this is the first year in a new school building
An environmental biologist is taking an inventory of the plant life in a forest. She divides a section of the forest into 2m x 2m plots, randomly selects 5 plots, and then counts the number of each type of plant that occurs in those plots. (a) Stratified (b) Convenience (c) Simple Random Sample (d) Systematic (e) Cluster
(e) Cluster
A student is required to interview at least three faculty members to determine their opinion on the Farm Progress Show coming to Decatur. The student gets a list of full time faculty, divides it into males and females instructors, and then asks two female and two male instructors. (a) Systematic (b) Convenience (c) Simple Random Sample (d) Cluster (e) Stratified
(e) Stratified
The entries to a contest are divided by the grade level (Freshman, Sophmore, Junior, Senior) of the student. Two winning tickets from each grade are then selected. (a) Simple Random Sample (b) Systematic (c) Convenience (d) Cluster (e) Stratified
(e) Stratified
Which of the following is an example of a nonrandom sampling method? (a) convenience (b) stratified (c) purposive (d) cluster
A and C
Which of the following is NOT an example of a random sampling method? (a) systematic sampling (b) cluster sampling (c) convenience sampling (d) purposive sampling
A, C, and D
Select tasks that are important in the process of shaping research question. (a) identify variables to be studied (b) specify population (c) evaluate feasibility (d) identify research problem
A,B and C
A therapist notes the names of all of her patients in newly developed core strengthening exercise group, puts them into a spreadsheet, and randomly picks 26 female patients and 13 male patients to ask how much time they're spending on prescribed exercises. What sampling method is this therapist using? (a) systematic (b) stratified (c) cluster (d) simple random sample
B
Suppose that a PT researcher conducted a study of elderly self-esteem in a nursing home in the State of Georgia (GA). He/She would like to generalize the results to all nursing homes across GA. Under which of the following conditions would ecological generalizability have been threatened? (a) the nursing home is located in a low socioeconomic neighborhood (b) the nursing home is in a new building in the first year of its operation (c) the nursing home is a private institution (d) the nursing home is a state institution
B
When every subject has an equal chance of being selected to participate in the study, the researcher is using. (a) stratified random sampling (b) simple random sampling (c) convenience random sampling (d) purposive random sampling
B
Select statements that are NOT true. (a) Conceptual definition is from dictionary (b) Conceptual definition is also known as operational definition (c) Factor that has one level is called a singular variable (d) Inductive hypothesis is based on theoretical premise
B, C, and D
A neurologist numbers all stroke patients in the hospital by tens and then selects every person assigned the number 7 and asks how much time they spend preparing tea/coffee. (a) cluster (b) stratified (c) systematic (d) simple random sampleC
C
If a researcher selected six PT clinics at random and then interviewed six of the teachers in those six clinics, the researcher used (a) simple random sampling (b) stratified random sampling (c) cluster random sampling (d) two-stage random sampling
C
Educational researchers ultimately want the answer to a research question to pertain to the (a) sample. (b) accessible population. (c) target population. (d) world.
C. target population
PT researcher, ultimately want the answer to a research question to pertain to the (a) world (b) accessible population (c) sample (d) target population
D
Select statements that are true. (a) For hypothesis to be directional, it has to be complex. (b) Simple hypothesis has only one independent variable and up to two dependent variables. (c) Simple hypothesis has only one dependent variable and up to two independent variables. (d) Nondirectional hypothesis can be complex.
D
The best sample is one that is (a) systematic sample (b) conveniently selected (c) purposefully selected (d) representative of the population
d
