Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
2.Describe the advantages and disadvantages of quasi-experiments? What is the fundamental weakness of a quasi-experimental design? Why is it a weakness? Does its weakness always matter? 3.If you randomly assign participants to groups, can you assume the groups are equivalent at the beginning of the study? At the end? Why or why not? If you cannot assume equivalence at either end, what can you do? Please explain. 4.Explain and give examples of how the particular outcomes of a study can suggest if a particular threat is likely to have been present. 5.Describe each of the following types of designs, explain its logic, and why the design does or does not address the selection threats discussed in Chapter 7 of Trochim and Donnelly (2006): a.Non-equivalent control group pretest only b.Non-equivalent control group pretest/posttest c.Cross-sectional d.Regression-Discontinuity 6.Why are quasi-experimental designs used more often than experimental designs? 7.One conclusion you might reach (hint) after completing the readings for this assignment is that there are no bad designs, only bad design choices (and implementations). State a research question for which a single-group post-test only design can yield relatively unambiguous findings.
1) The number of girls who attend a summer basketball camp has been recorded for the seven years the camp has been offered. Use exponential smoothing with a smoothing constant of .8 to forecast attendance for the eighth year. 75, 78, 75, 120, ..
1. Provide a recommendation to the president that maximizes profits
Descriptive statistics and inferential statistics
Records indicated the restaurant gross
1. For a population with m = 50 and a standard deviation of s = 10,
Reflection to date
The sample average number of strokes being more than 5.0.
In a certain region of the country, average radar echo duration of lightning flashes is .61 sec and a standard deviation of .24 sec. Note, that these are population values. Calculate a 95% (two sided) confidence interval for the true average ..
As a rule of thumb a line is considered as a transmission line if the length of the line is greater than one-sixteenth of the wavelength of the electromagnetic wave. Based on this rule of thumb
Peter hopper, director of quality control for harley davidson
Identify the type of observational study (cross-sectional, retrospective, or prospective) described
Unit covered project management techniques.
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd