What is - quasi-experimental research design
[Polit & Beck (2014), pp. 157-8]
100
This communicates information about the precision of the results
What is - confidence intervals
[Polit & Beck (2014), pp. 227-28]
100
Unlikely that the results are due to chance
What is - statistically significant
[Polit & Beck (2014), pp. 230-31]
100
No relationship exists between the dependent and independent variables
What is - the null hypothesis
[Polit & Beck (2014), pp. 228-29]
100
A study reporting a 60% participant attrition rate suggests
What is - a threat to internal validity
[Polit & Beck (2014), pp. 167-69]
200
Three distinctive characteristics of a true experimental design
What is - 1) control, 2) randomization, 3) correlation
[Polit & Beck (2014), pp. 153-4]
200
A researcher concludes that no relationship exists between the independent and dependent variables exists when it in fact does
What is - a Type II error
[Polit & Beck (2014), pp. 228-30]
200
Researchers administer a self-reported pain scale on post-op days 2 and 3
Test-retest reliability
[Polit & Beck (2014), pp. 202-03]
200
The statistic "r" of .85 indicates
What is - a strong association between two variables
[Polit & Beck (2014), pp. 237-38]
200
Evaluating the credibility of a study typically involves
What is - careful assessment of the researchers' methodologic decisions
[Polit & Beck (2014), pp. 251-55]
300
Study design flaw that may cause failure to achieve statistical significance
What is - small sample size
[Polit & Beck (2014), p. 167]
300
When collecting data, interviews are usually preferable to questionnaires
What is - the quality of the data tends to be higher
[Polit & Beck (2014), pp. 185-86]
300
Used to assess internal consistency of an instrument
What is - Cronbach's alpha
[Polit & Beck (2014), p. 203]
300
Two common statistical tests
What is - t-test and analysis of variance (ANOVA)
[Polit & Beck (2014), pp. 232-35]
300
Function/purpose of CONSORT
What is - track the progress of study participants
[Polit & Beck (2014), p. 252]
400
This study design enhances equivalence among participants exposed to different interventions
What is - cross-over design
[Polit & Beck (2014), pp. 154-5]
400
A sample size that is too small may cause ______
What is - low power to detect a difference in the outcomes of the two groups
[Polit & Beck (2014), pp. 181-82]
400
This variability measure accounts for all score values
What is - standard deviation
[Polit & Beck (2014), pp. 219-20]
400
Used to untangle complex relationships among three or more variables
What is - multivariate statistics
[Polit & Beck (2014), pp. 237-40]
400
Rigorous study design and methodology prevent ______
What is - biases
[Polit & Beck (2014), pp. 254-55]
500
The use of a diverse sample of study participants in multiple sites might affect ______
What is - external validity
[Polit & Beck (2014), p. 169]
500
A key criterion in assessing a sample in a quantitative study
What is - representativeness
[Polit & Beck (2014), pp. 177-78]
500
The alpha level of significance refers to the probability of ______
What is - making a Type I error
[Polit & Beck (2014), pp. 228-29]
500
A .001 level of significance signifies ______
What is - low risk of making a Type I error
[Polit & Beck (2014), pp. 229-31]
500
Important tasks in appraising research literature
What is - 1) determine accuracy and credibility of the results, 2) meaning of the results and 3) implications of the results
[Polit & Beck (2014), pp. 256-60]