Careful researchers lay out a data analysis plan in advance to ...

[Starlight]

Careful researchers lay out a data analysis plan in advance to guide that progress. What phase involves collection of data on numerous variables?
 
  A) Preanalysis
  B) Preliminary assessments and actions
  C) Principal analysis
  D) Interpretation of quantitative results

Question 2

What threat is reduced by obtaining contact information?
 
  A) Selection
  B) Maturation
  C) Mortality
  D) Instrumentation

[macagnavarro]

Answer to Question 1

C

Answer to Question 2

C

[Starlight]

Gracias!

[dantucker]

Thanks for the timely response, appreciate it