Boost your Grades with us today! Get your 15% Discount Now!
Discussion Question
1- Discussion question: Describe why you were to chose a specific method to select a sample over other methods. Defend the method you preferred.
2- APA Style
Chapter 13 Sampling in Quantitative Research
Copyright © 2017 Wolters Kluwer Health | Lippincott Williams & Wilkins
Copyright © 2021 Wolters Kluwer Health | Lippincott Williams & Wilkins
1
Question #1
Tell whether the following statement is true or false:
The aggregate of cases in which a researcher is interested is called a sample.
Copyright © 2021 Wolters Kluwer Health | Lippincott Williams & Wilkins
Answer to Question #1
False
The aggregate of cases in which a researcher is interested is called a population. A sample is selection of a portion of the population to represent the entire population.
Copyright © 2021 Wolters Kluwer Health | Lippincott Williams & Wilkins
Basic Sampling Concepts in Quantitative Studies #1
Population: the aggregate of cases in which a researcher is interested
Accessible population: the aggregate of cases that conform to designated criteria and that are accessible for a study
Target population: the aggregate of cases about which the researcher would like to generalize
Copyright © 2021 Wolters Kluwer Health | Lippincott Williams & Wilkins
4
Basic Sampling Concepts in Quantitative Studies #2
Eligibility criteria/inclusive criteria: criteria that specify population characteristics
Cost
Practical constraints
People’s ability to participate
Design considerations
Exclusion criteria
Copyright © 2021 Wolters Kluwer Health | Lippincott Williams & Wilkins
5
Basic Sampling Concepts in Quantitative Studies #3
Samples and Sampling
Sampling: selection of a portion of the population (a sample) to represent the entire population
Element: basic population unit about which information is collected
Sample: a subset of population elements
Representative sample
Probability sample
Nonprobability sample
Copyright © 2021 Wolters Kluwer Health | Lippincott Williams & Wilkins
6
Question #2
Tell whether the following statement is true or false:
Researchers usually sample from the target population.
Copyright © 2021 Wolters Kluwer Health | Lippincott Williams & Wilkins
Answer to Question #2
False
Researchers usually sample from the accessible population but should identify the target population to which they want to generalize their results.
Copyright © 2021 Wolters Kluwer Health | Lippincott Williams & Wilkins
Basic Sampling Concepts in Quantitative Studies #4
Staged sample: samples are sometimes selected in multiple phases
Sampling bias: the systematic over- or underrepresentation of segments of the population on key variables
Copyright © 2021 Wolters Kluwer Health | Lippincott Williams & Wilkins
Question #3
Tell whether the following statement is true or false:
Probability sampling involves random selection of elements.
Copyright © 2021 Wolters Kluwer Health | Lippincott Williams & Wilkins
Answer to Question #3
True
Probability sampling involves random selection of elements.
Copyright © 2021 Wolters Kluwer Health | Lippincott Williams & Wilkins
Nonprobability Sampling
Convenience sampling
Snowball sampling
Quota sampling
Consecutive sampling
Purposive sampling
Evaluation of nonprobability sampling
Copyright © 2021 Wolters Kluwer Health | Lippincott Williams & Wilkins
12
Probability Sampling
Simple random sampling
Stratified random sampling
Multistage sampling
Cluster sampling
Systematic sampling
Evaluation of probability sampling
Copyright © 2021 Wolters Kluwer Health | Lippincott Williams & Wilkins
13
Sample Size in Quantitative Studies
Power analysis
Estimate sample size
Large samples preferred to small samples
Sample size basics
Factors affecting sample size /requirements in quantitative research
Effect size
Homogeneity of the population
Cooperation and attrition
Subgroup analyses
Copyright © 2021 Wolters Kluwer Health | Lippincott Williams & Wilkins
14
Implementing a Quantitative Sampling Plan
Steps in sampling
Identify the population
Specify the eligibility criteria
Specify the sampling plan
Recruit the sample
Sample recruitment
Screening instrument
Generalizing from samples
Copyright © 2021 Wolters Kluwer Health | Lippincott Williams & Wilkins
15
Critical Appraisal of Sampling Plans #1
Sampling Plan
Construct
Internal factors
External factors
Statistical conclusion validity
Copyright © 2021 Wolters Kluwer Health | Lippincott Williams & Wilkins
Critical Appraisal of Sampling Plans #2
Sampling plan should be scrutinized with respect to
Approach used
Study population and eligibility criteria
Number of participants and rationale for sample size
Inclusion of power analysis
Description of main characteristics of sample
Number and characteristics of participants who declined participation/dropped out
Copyright © 2021 Wolters Kluwer Health | Lippincott Williams & Wilkins
ORDER an A++ paper from our MASTERS and DOCTORATE WRITERS
Who We Are
We are a professional custom writing website. If you have searched for a question and bumped into our website just know you are in the right place to get help in your coursework.
Do you handle any type of coursework?
Yes. We have posted over our previous orders to display our experience. Since we have done this question before, we can also do it for you. To make sure we do it perfectly, please fill out our Order Form. Filling the order form correctly will assist our team in referencing, specifications, and future communication.
Is it hard to Place an Order?
ORDER NOW FOR AN ORIGINAL PAPER ASSIGNMENT
1. Click on the “Order Now” on the Main Menu and a new page will appear with an order form to be filled.
2. Fill in your paper’s requirements in the “PAPER INFORMATION” section and the system will calculate your order price/cost.
3. Fill in your paper’s academic level, deadline, and the required number of pages from the drop-down menus.
4. Click “FINAL STEP” to enter your registration details and get an account with us for record-keeping and then, click on “PROCEED TO CHECKOUT” at the bottom of the page.
100% Reliable Site. Make this your Home of Academic Papers.
SCORE A+ WITH HELP FROM OUR PROFESSIONAL WRITERS: ORDER NOW FOR AN ORIGINAL PAPER ASSIGNMENT
Always Order High-Quality Academic Papers from HERE
5. From there, the payment sections will show, follow the guided payment process and your order will be available for our writing team to work on it.
We will process your orders through multiple stages and checks to ensure that what we are delivering to you, in the end, is something that is precise as you envisioned it. All of our essay writing service products are 100% original, ensuring that there is no plagiarism in them. The sources are well-researched and cited so it is interesting. Our goal is to help as many students as possible with their assignments, i.e. our prices are affordable and services premium.
Looking for a Similar Assignment? Order a custom-written, plagiarism-free paper