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Find a peer-reviewed research article and do the following:
a. Write the problem statement.
b. Name the theoretical model used or briefly describe the overall conceptual model.
c. Write out the main research questions. What is the rationale for the question?
d. List the main hypotheses that the study is testing.
e. Define the dependent variable and the main independent variables.
f. Briefly describe the research design.
g. Describe the sample (e.g., size, sociodemographic characteristics) and how it was obtained.
h. List the statistics used to test the hypotheses.
i. Identify the main assumptions and limitations.
Suppose a social worker is involved in a study about family structure. She obtains information regarding the number of children per family in a certain community from the census data. What is the random variable of interest? Is the random variable..
The carpeting department supervisor claims that the average number of days between the receipt of a complaint and its resolution is 20 days or less.
An electron is confined to a 1 micron layer of GaAs. Assuming that the semiconductor can be adequately described by a one-dimensional quantum well wi th infinite walls, calculate the lowest possible energy within the material in units of electron ..
Impact of September 11 Following the terrorist attack on the United States, the valuations of many MNCs declined by more than 10 percent.
The time to complete a construction project is normally distributed with a mean of 60 weeks and a standard deviation of 4 weeks. What is the probability the project will take longer than 65 weeks?
The analogous probability for the second signal is 0.49, and the probability that he must stop at at least one of the two signals is 0.75. What is the probability that he must stop
question the appliance centre sells a variety of electronic equipment and home appliances. for the last four years
The National Institute of Mental Health published an article stating that in any one-year period, approximately 9.5 percent of American adults suffer
according to a poll on consumer behavior 36 of people say they will only consider cars manufactured in their country
Is this information about two single quantitative variables or about the relationship between two quantitative variables?
A fast food chain sells its burgers alone or as part of a "value meal" which includes fries and a drink. They know some customers are health conscious.
Refer to Exercise 8.41 (page 517). The estimated proportion of undergraduates owning a phone in 2000 was 43%. We want to test whether the proportion of undergraduate cell phone owners has more than doubled in the last 4 years.
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