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Author Question: Although causality is difficult to determine, which scientific method most strongly yields evidence ... (Read 67 times)

Alainaaa8

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on: Jun 21, 2018
Although causality is difficult to determine, which scientific method most strongly yields evidence for cause and effect relationships?
 
  A) Correlational study
  B) Experimental design
  C) Ex post facto design
  D) Descriptive research

Question 2

An investigator measures blood pressure in a group of college students and then repeats these measurements every year for 20 years. This is an example of
 
  A) a longitudinal study.
  B) a cross-sectional study.
  C) an experimental study.
  D) a clinical trial.


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mbcrismon

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

B

Answer to Question 2

A


Alainaaa8

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Reply 2 on: Jun 21, 2018
Wow, this really help

miss.ashley

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Reply 3 on: Yesterday
Excellent

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