QUESTIONS
WITH ALL
PASSED
ANSWERS!!
Evatee 8/14/24 ICEP
,ICEP EXAM 2 QUESTIONS WITH ALL PASSED
ANSWERS!!
What is Experimental Design? What is it called it medical research? Answer - -
Researchers actively introduce and intervention or treatment
- Randomized Clinical Trial
What is quasi-experimental design? Answer - similar to experimental study but
lacks random assignment
- controlled trial without randomization
- with or without control group
What is non-experimental design? Answer - Researchers collect data without
intervening or introducing treatments
AKA observational study
What are 3 characteristics of true experiments? Answer - 1. intervention -->
researcher introduces something
2. control --> control group exists
3. Randomization --> researcher assigns participants to groups at random
What is intervention fidelity? Answer - AKA treatment fidelity
, whether the treatment/intervention as planned was actually delivered and
received
What is blinding (masking)? Answer - The process of preventing those involved
in a study from having info that could lead to a bias
What are some advantages and disadvantages of experimental design? Answer
- Advantages:
- most powerful for detecting cause and effect relationships
Disadvantages:
- often not feasible or ethical
- Hawthorne effect (knowledge of being in a study may affect participant
behavior)
- often expensive
What is the Hawthorne effect? Answer - knowledge of being in a study causes
participants to change their behavior
Ex: study about social support for cancer pts
Family members who know they're being studied/observed about this will be
more supportive so they don't look abd
What are the 2 main categories of quasi-experimental designs? Describe each.
Answer - one-group pretest-posttest design
ex: studying efficacy of module to teach culturally appropriate care. have all
participants complete pre and post module assessment --> ONLY ONE SAMPLE
GROUP COMPARED AGAINST ITSELF B4 AND AFTER