How does reliability differ from validity? Give examples of
each.
Your firm is conducting a study in which the key dependent
variable is annual sales. The firm plans to compare sales among
different types of customers with whom the firm does business. What
type of scale should be used to measure annual sales? Why?
Define reliability and validity in your own words. Briefly
describe the different types of reliability and validity, including
why it is important to conduct a study that is reliable and
valid.
Define reliability and validity in your own words. Briefly
describe the different types of reliability and validity, including
why it is important to conduct a study that is reliable and
valid.
Explain the importance of validity and reliability in diagnostic
testing or research. describe how validity relates to sensitivity
and specificity in diagnostic testing. identify a health screen
specific to a diagnostic test that is currently being debated
regarding its use, recommended ages or frequency and discuss how
validity and reliability plays into this debate. what other factors
should you consider when you assess the recommendations for
diagnostic test or screen?
a. What are the research reliability and validity? What
is internal validity and construct validity? What are the
difference between reliability and validity?
b. Please describe research hypothesis and statistical
hypothesis. What are the difference between these two kinds of
hypotheses?
c. What are three level of research? Exploratory
research, descriptive research and explanatory research? What are
the difference between them?
d. What are case-control design, nested case-control
design, and cohort design? What are the difference between
case-control design and...
Explain the concept of employee engagement. How does it differ
from employee involvement? What does an organization that has truly
engaged employees look like?
1. How do you understand the concept of measurement, including
measurement validity and reliability, in criminal justice
research?
2. How do you view measurement issues in police auditing,
particularly in performance audits?
3. What specific measurement criteria would you like to use,
if you are hired to conduct an audit on police performance in crime
clearance, that you believe would yield strong validity and
reliability?