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EBP Exam 2
Standardized difference in means
Internal consistency reliability
EBP Exam 2
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1
Internal consistency reliability
The same test over time.
Several researchers making the same observations
Measure at different times yield the same result
Multi-item test items are intended to measure the same variable.
2
Standardized difference in means
Validity
Effect size
Bias
Cohen's D
3
CONSORT flow chart (diagram)is used to show the flow of participants in thestudy
True
False
4
Belmont Principle
All answers included
Beneficence
Respect for persons
Justice
5
Likert scale is an example of interval data
True
False
6
In general, a test can be reliable without being valid, however it cannot be valid without being reliable
False
True
7
Random sample (All members of population have equal chance to be in sample)-External validity
False
True
8
Correlation statistic
measures relationhip between variables
measures differences between 2 variables
predicts the relationship between variables
measures differences between 3 or more variables
9
Nominal data can be changed to interval data
True
False
10
What is the test-retest reliability?
Administer the 4 tests/ many times with the different participants
Administer the test / experiment again with different participants
Administer different test/ experiment many times with the same participants
Administer the test / experiment again with same participants
11
Random Assignment (Researchers assign participants to treatment and control groups)-internal validity
True
False
12
Allocation concealment researchers and participants have no way of finding out which group (treatment or placebo)
False
True
13
Which is not an ethical code?
Chiari report-1990
Nuremberg - 1949
Belmont Report - 1978
Declaration of Helsinki - 1964
14
Which is not a probability sampling
Simple random
Systematic
Convenience
Stratified
15
Z-scores are also called standardized scores
False
True
16
Forest Plots include
graphs the estimated effect size for each study
95% confidence interval
Used to showcase results of meta-analysis
All included answers
