PUBH 6235 Week 8: Study Design/Internal Validity Please respond to the following

Question

PUBH 6235
Week 8: Study Design/Internal Validity


Please respond to the following questions either by writing the design name or by describing the design using standard notation (X = program, O=observation, R= random assignment). For each design, please discuss all threats to internal validity.


1. a. Design: Single group post-test only


b. Internal validity threats:


2. a. Design: (R) O1 X O2
(R) O1 O2


b. Internal validity threats:


3. a. Design: Pretest-posttest design with experimental and comparison group


b. Internal validity threats:



4. a. Design: O X O


b. Internal validity threats:



5. a. Design: Single group with three pretests and four posttests


b. Internal validity threats:

Explanation / Answer

Answer question

Related Questions

Navigate

• Browse (All)
• Browse P
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.