1 | Pa ge
NURS 302 FINAL EXAM NEW FOR 2025,2026
GRADED A+
GUARANTEED PASS/ NURS 302 FINAL EXAM NEW
FOR 2025,2026
GRADED A+ GUARANTEED PASS/ NURS 302 FINAL
EXAM NEW FOR 2025,2026 GRADED A+
GUARANTEED PASS
Quasi (case control) - CORRECT ANSWER-Level 3 Experimental
design
- Intervention group - Testing a mindfulness intervention in
pregnant women who smoke
- Due to ethical considerations - you cannot randomize and
make people don't smoke or smoke
- Still have intervention - But no randomization
7 Most Frequently Used True Experimental Designs or RCTs -
CORRECT ANSWER-• Two-group RCT with pretest/posttest
design
• Two-group RCT with posttest-only design
• Two-group RCT with repeated measures
,2 | Pa ge
• Two-group RCT with control group receiving no intervention
• Three-group RCT
• Solomon four-group design (strength: isolate bias)
• Factorial design. (Why would I choose this design? What am I
looking for?)
look at pictures on week 9 slides for characteristics of RCTs -
CORRECT ANSWER-im going to look now
Know threats to internal validity (was the study carried out
well?) - CORRECT ANSWER-- History: Results that occur from an
event or organizational intervention unrelated to the study
intervention (e.g. Cdiff outbreak and handwashing practice)
- Maturation: Results occurring from developmental change
that occurs independent of the study treatment; usually occurs
gradually (e.g. speech development)
- Repeating testing/practice effects: Results occurring from
practice with testing or repeated exposure to the same
measurement instruments
,3 | Pa ge
- Attrition: Most often encountered in repeated measure
testing, effect could be due to dropout of sickness or least
interested/motivated
Know attrition and how to calculate and consider attrition rate
when determining sample size - CORRECT ANSWER-- Attrition:
Most often encountered in repeated measure testing, effect
could be due to dropout of sickness or least interested/
motivated
- 200 people in the study with 10% attrition rate. How many
people should include in the study?
200 + 20 =220
why does attrition happen - CORRECT ANSWER-- Personal
circumstances
- Lose of interest
- Time constraints
- Dissatisfaction with study protocol
- Adverse effects
, 4 | Pa ge
why consider attrition - CORRECT ANSWER-- Can introduce bias
if the characteristics of participants who drop out differ from
those who continue to participate
- Attrition leads to missing data which can reduce the statistical
power of the study and affect the precision of the estimate.
- Missing data can introduce challenges in data analysis and
interpretation, as well as limit the ability to draw conclusion
Why do a pilot study? - CORRECT ANSWER-Pilot studies allow
revision of the intervention if needed and allow
demonstration of study FEASIBLITY.
quasi experimental - CORRECT ANSWER-- do not randomize
- participants can self select
- may not have control group
- manipulate variables
- money
- ethics
- level 3
NURS 302 FINAL EXAM NEW FOR 2025,2026
GRADED A+
GUARANTEED PASS/ NURS 302 FINAL EXAM NEW
FOR 2025,2026
GRADED A+ GUARANTEED PASS/ NURS 302 FINAL
EXAM NEW FOR 2025,2026 GRADED A+
GUARANTEED PASS
Quasi (case control) - CORRECT ANSWER-Level 3 Experimental
design
- Intervention group - Testing a mindfulness intervention in
pregnant women who smoke
- Due to ethical considerations - you cannot randomize and
make people don't smoke or smoke
- Still have intervention - But no randomization
7 Most Frequently Used True Experimental Designs or RCTs -
CORRECT ANSWER-• Two-group RCT with pretest/posttest
design
• Two-group RCT with posttest-only design
• Two-group RCT with repeated measures
,2 | Pa ge
• Two-group RCT with control group receiving no intervention
• Three-group RCT
• Solomon four-group design (strength: isolate bias)
• Factorial design. (Why would I choose this design? What am I
looking for?)
look at pictures on week 9 slides for characteristics of RCTs -
CORRECT ANSWER-im going to look now
Know threats to internal validity (was the study carried out
well?) - CORRECT ANSWER-- History: Results that occur from an
event or organizational intervention unrelated to the study
intervention (e.g. Cdiff outbreak and handwashing practice)
- Maturation: Results occurring from developmental change
that occurs independent of the study treatment; usually occurs
gradually (e.g. speech development)
- Repeating testing/practice effects: Results occurring from
practice with testing or repeated exposure to the same
measurement instruments
,3 | Pa ge
- Attrition: Most often encountered in repeated measure
testing, effect could be due to dropout of sickness or least
interested/motivated
Know attrition and how to calculate and consider attrition rate
when determining sample size - CORRECT ANSWER-- Attrition:
Most often encountered in repeated measure testing, effect
could be due to dropout of sickness or least interested/
motivated
- 200 people in the study with 10% attrition rate. How many
people should include in the study?
200 + 20 =220
why does attrition happen - CORRECT ANSWER-- Personal
circumstances
- Lose of interest
- Time constraints
- Dissatisfaction with study protocol
- Adverse effects
, 4 | Pa ge
why consider attrition - CORRECT ANSWER-- Can introduce bias
if the characteristics of participants who drop out differ from
those who continue to participate
- Attrition leads to missing data which can reduce the statistical
power of the study and affect the precision of the estimate.
- Missing data can introduce challenges in data analysis and
interpretation, as well as limit the ability to draw conclusion
Why do a pilot study? - CORRECT ANSWER-Pilot studies allow
revision of the intervention if needed and allow
demonstration of study FEASIBLITY.
quasi experimental - CORRECT ANSWER-- do not randomize
- participants can self select
- may not have control group
- manipulate variables
- money
- ethics
- level 3
