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1. Construct Development, Scale Creation, and Process Analysis
a. Part I: Construct Development and Scale Creation
1) Choose a construct you would like to measure.2) Create an operational definition of your construct using at least three peer reviewed journal articles as sources as references.3) Select and list five items used to sample the domain.4) Select method of scaling appropriate for the domain. Justify why you selected the scaling method you did.5) Format the items into an instrument with which you would query respondents. Justify whether this is an interview or self-report instrument.
b. Part II: Analysis and Justification
Prepare an analysis of how you developed your instrument. Be sure to describe how you chose your items, how you would norm this instrument (How many people would you give it to? What characteristics would your respondents have? To whom would the instrument be generalized?) andwhich reliability measures you would use. Also, describe how you would establish validity as well as the methods you used for item selection and how item selection will be evaluated.
What is the probability that the mean completion time is between 1 and 2 hours, i.e.., 60 and 120 minutes?
Consider the following frequency table of the performance ratings on a scale of 1-good, 2-fair, and 3-poor, bestowed on their local baseball team by a collection of 100 fans:
Advertising coefficient is 200 and t stat is 1.75. Which of the following statements is an accurate interpretation of the situation when using an alpha of .10
Explain the effect outliers can have on the analysis of the center of this data set. Based on the box-plot and histogram you created for problem 1, do there appear to be any outliers?
Prepare a 95% confidence interval for the average grocery bill. Would a 99% confidence interval be narrower or wider than the 95% confidence interval?
Samples of size 49 are taken from a population with a σ of 17. If the mean of the sample is 25, what is the confidence interval at the 90% confidence level
If you draw two balls without replacing the first one, what is the possibility that one ball is red and the other is white.
State the statistical assumptions of this test Using the data set you have selected, select independent and dependent variables.
A professor asked her sophomore students, "How many drinks do you typically have per session? (A drink is defined as one 12oz beer, one 4oz glass of wine, or one 1oz shot of liquor.)"
SAT verbal scores are normally distributed with a mean of 423 and a standard deviation of 91. Use the Empirical Rule to determine what percent of the scores lies between 423 and 514.
The lengths of 225 fish caught in Lake Michigan had a mean of 15.0 inches. Assume that the population standard deviation is 2.5 inches.
Make a scatterplot to determine what kind of relationship there seems to be between the two variables. Use the percent of lead removed as the response variable.
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