What is the main distinction between probability sampling and non-probability sampling? A.Probability sampling utilizes random selection of participants from a list and non-probably sampling does not utilize random selection from a list. B.Non-probability sampling utilizes random selection of participants from a list and probability sampling does not utilize random selection from a list. C.Probability sampling is used only for qualitative designs and non-probability sampling is used only for quantitative designs. D.Probability sampling includes a control group and non-probability sampling does not include a control group.

Random selection: a process in which every unit has equal chance of getting selected is known as…

Answered: What is the main distinction between…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Create real life problem situations in psychological field that illustrates the use of each of the following probability and non- probability sampling techniques. 2. Cluster Sampling
Scenario: An early childhood education student is undertaking an observational study of literacy development among kindergardeners in Rancho Cordova. The school she is placed at has 230 students in 12 classrooms Short Answer A. Describe a way she can take a stratified sample. B. Describe what the explanatory and response variables may be. C.A convenience sample is taken and introduces nonrandom sampling error. What is one way this can happen?
Suppose that 75% of adults agree that, while downloading music from the Internet and then selling it is piracy and should be prohibited, downloading for personal use is an innocent act and should not be prohibited. We'll take a random sample of 30 adults and ask if they agree with the statement. Then the sampling distribution of the sample proportion of people who answer yes to the question is:
In simple random sampling, it is also true that each member of the population is equally likely to be selected, the chance for each member being equal to the sample size divided by the population size. a. Under what circumstances is that fact also true for systematic random sampling? Explain your answer.b. Provide an example in which that fact is not true for systematic random sampling.
Define the concept of probability sampling and give THREE (3) examples of probability sampling techniques.
If groups of participants are selected to represent sub-groups in the population (e.g. such as selecting an entire class of Social Work students to be compared to a group of Sociology students), this is known as Select one: a. Cluster sampling. b. Haphazard sampling. c. Simple random sampling. d. Opportunity sampling.
The Board of Directors for a group medical practice is analysing the business. They have data on the day to day operations o the practice along with patient information. They randomly selected 10 days from each of the 6 months they have been in operation and collected information on income. What type of sampling method was used? Select one: a Mutstage Randon Sampling b. Voluntary Sampling c. Simple Random Sampling d. Stratified Random Sampling e None Cluster Sampling
When a researcher uses random sampling in their study, they are most likely concerned with: When a researcher uses random sampling in their study, they are most likely concerned with: a.Increasing the internal validity of the study by creating a representative sample. b. Increasing the external validity of the study by creating a representative sample. c. Increasing the external validity of the study by reducing the potential for confounding variables. d. Increasing the internal validity of the study by reducing the potential for confounding variables.
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A school is interested in estimating the proportion of students who pass a math test for the classes 8, 9, and 10. The school decide to use stratified random sampling and treat each class as a stratum. The cost of sampling will not vary from stratum to stratum. The school believes that the proportion of students who pass the exam is 0.3 in each of the three classes ( strata). The school desire to estimate the proportion p with a bound of 0.1 on the error of estimation. Find the sample size n and the allocation that gives this bound. Where N 1 =200 , N 2 =150 , and N 3 =220 .

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	A.	Probability sampling utilizes random selection of participants from a list and non-probably sampling does not utilize random selection from a list.
	B.	Non-probability sampling utilizes random selection of participants from a list and probability sampling does not utilize random selection from a list.
	C.	Probability sampling is used only for qualitative designs and non-probability sampling is used only for quantitative designs.
	D.	Probability sampling includes a control group and non-probability sampling does not include a control group.