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Author Question: In randomized controlled trials, researchers assign participants to treatment or control groups ... (Read 310 times)

craiczarry

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on: Jun 21, 2018
In randomized controlled trials, researchers assign participants to treatment or control groups randomly. What is the best definition of random as it applies to this?
 
  A) Group assignment is haphazard and not systematic.
  B) Participants are unaware of their group assignment.
  C) Researchers are unaware of the group assignments
  D) Everyone has an equal chance in group assignment.

Question 2

Natural experiments in epidemiology are most similar to what kind of psychology study?
 
  A) Experimental
  B) Ex post facto
  C) Correlational
  D) Observational


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onowka

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Reply #1 on: Jun 21, 2018
Answer to Question 1

D

Answer to Question 2

B


craiczarry

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Reply 2 on: Jun 21, 2018
Thanks for the timely response, appreciate it

steff9894

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Reply 3 on: Yesterday
Wow, this really help

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