CCJ 4700 Exam 2 Stewart Questions and Answers | 100% Pass
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Course
CCJ 4700
Institution
CCJ 4700
CCJ 4700 Exam 2 Stewart Questions
and Answers | 100% Pass
What are the 3 components of a classical experiment? - Answer-1)Pre & Post-
Testing
2)Experimental & Control groups
3)Random Assignment
____________ Assignment Is a central feature of the classical experiment -
Answer-Random Assignmen...
a larger pop. of people/things & generalize from a sample to an unobserved population
the sample is intended to represent
When is a sample "representative" of the population? - Answer✔✔-When the
aggregate characteristics of the sample closely approx. those same characteristics in
the population
2 adv. of population samples: - Answer✔✔--Typically more representative than other
types of samples because they avoid biases
-Permits us to estimate the accuracy of the sample
Why is standard error important? - Answer✔✔-Bc it indicates how closely the sample
estimates will be distributed around the population parameter
As sample size increase ---> Standard error _______ - Answer✔✔-Decreases
If sample size is quadrupled then standard error is: - Answer✔✔-Reduced by 1/2
What is the sampling Frame? - Answer✔✔-List of the population that one is
interested in studying
What are the types of probability samples? - Answer✔✔--SRS
-Systematic
-Stratified
-Cluster
SRS - Answer✔✔-Number is assigned to each member in the frame and then a
random number generator selects elements
Systematic - Answer✔✔-You randomly select every nth number on a list
2/8
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