Dr. Mottle is studying chiropractic journals to determine trends for use of ultrasound in chiropractic practice. As she researches this topic, she is counting the number of times that ultrasound appears in written text.
What type of coding is she most likely using?
A) manifest coding B) latent coding
C) content coding D) reliability coding
Tom wanted to assess the reliability of his measure of anxiety so he had a group of introductory psychology students complete the measure of anxiety on March 3rd and again on March 25th.
He then compared the scores that the students made on the two testing occasions using a statistical technique called correlation. He used this quantitative index as his measure of reliability. Tom used what method to assess reliability?
a. test-retest
b. equivalent forms
c. split-half
d. Cronbach's alpha
Which of the following are things a researcher would do to conduct a study with physical evidence?
A) Identify a physical evidence measure of a behavior of interest.
B) Compare the two variables of the hypothesis using quantitative data analysis.
C) Systematically record the physical evidence.
D) All of the above
Suppose you have created a new method of diagnosing anxiety disorders. How could you demonstrate that your method is construct valid?
a. teach several licensed clinicians to use and evaluate your method.
b. use your method to diagnose the same group of participants repeatedly over the course of several years, and see if you consistently arrive at the same diagnosis for a given individual
c. have several specialists read about your new technique and invite their opinions
d. use your method to diagnose a group of participants, then see if your diagnoses match with diagnoses taken from other, established methods
Use of official existing statistics raises ethical issues regarding
A) the fact that they are social and political products.
B) confidentiality.
C) discovery.
D) environmental loopholes.
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