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Criminal Justice: Theory in Practice
1) What factors may influence both true/false positives and false negatives? (e.g., social, psychological, and biological backgrounds, education, etc. (Chapter 4) 2) Given the…
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How many factors were extracted in this PCA? What percentage of variance do these factors account for?
In this exercise, you will undertake a principal components analysis of the CES-D items, using all 20 original items (no reversed items). Go to…
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undertake a factor analysis of the CES-D items using principal axis factoring, two factors, and oblique rotation.
Now you will undertake a factor analysis of the CES-D items using principal axis factoring, two factors, and oblique rotation. Proceed with the same…
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run a reliability analysis for each of the two factors from the previous exercise.
In this exercise, run a reliability analysis for each of the two factors from the previous exercise. In the first reliability analysis, use all…
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) What was the range of missing data for individual items, in terms of numbers and percentages?
For these exercises, you will be using the SPSS dataset Polit2SetC. We will begin by looking at individual responses to items on the Center…
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If we then computed CES-D scales scores, for what percent of the cases would we not be able to compute a CES-D score?
Now we will look at how many missing values individual participants had for these 20 CES-D items. To do this, we need to create…
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test whether missingness on the CES-D scale is related to mothers’ characteristics, this time with chi-square tests to test differences in proportions on categorical variables.
We will continue to test whether missingness on the CES-D scale is related to mothers’ characteristics, this time with chi-square tests to test differences…
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run a series of statistical tests to see if missingness is related to other characteristics of the women in this sample, beginning with t tests.
If you have access to the SPSS Missing Values Analyses, run the MVA with the same set of variables and use Little’s MCAR test…
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What is the regression equation for imputing missing values on cesd?
Using the answer to Exercise B9 (g), impute missing CES-D scores. First, create a new CES-D variable so that any possible mistakes do not…
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give a reasonable estimate of the time taken by the housekeeping1. Take special note that SHA3 is an iterative hash.
Consider a hash function H, which outputs the leading 80 bits of the SHA3-512 digest.Given two html files G.html and H.html, we want to…