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5. Why is it important to note if there are differences in participant characteristics between the experimental and control groups?

   
It may impact the concurrent validity of the measurement instrument

   
It may impact the internal validity of the study

   
It directs which statistical test to use

   
It may indicate an error in measurement

 

6. Why is it important to note if there are differences in participant characteristics between the experimental and control groups?

   
 It may impact the concurrent validity of the measurement instrument

   
 It may impact the internal validity of the study

   
 It directs which statistical test to use

   
 It may indicate an error in measurement

8. The Eating Disorder Questionnaire was developed by a group of nurse researchers who obtained systematic input from eating disorder experts during the development of the survey. This process is an example of which type of instrument validity?

   
 Predicitive

   
 Content

 

   
Equivalence

   
 Face

 

9.

Instrument criterion validity can be assessed by finding the correlation between scores on:

   
two raters/observers using the same instrument.

   
the even-numbered and odd-numbered items on that instrument.

   
a test compared to some independent, widely accepted measure of the variable.

   
two administrations of the same instrument.

 

10. The hypothesis in a research report states “Smokers who participate in a nurse-led smoking cessation program will be as likely to smoke 3 months later as smokers who do not participate”. What type of hypothesis is this?

   
Directional

   
Null

   
Complex

   
Alternative

11. What level of measurement does this scale represent?

 

(1) less than $10,000

(2) $10,001 to $25,000

(3) $25,001 to $40,000

(4) greater than $40,000

     Ordinal
     Ratio
     Interval
     Nominal

12. What is the purpose of evaluating the test-retest reliability of an instrument?

   
To determine if data saturation has been achieved

 

   
To determine the consistency of the instrument over time

   
To demonstrate the consistency of measurement between raters

   
To measure the ability of the instrument to predict outcomes for another measure
SCIENCE
HEALTH SCIENCE
NURSING

 

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