Studies designed to determine whether one or more treatment ...

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Studies designed to determine whether one or more treatment variables affects one or more outcome variables are called _______________ studies.
 
  Fill in the blank(s) with correct word

Question 2

The standard error of the mean is calculated by dividing _____ by _____.
 
  a. s; n2
  b. s; the square root of n
  c. n2; s
 d. the square root of n; s

[Briannahope]

Answer to Question 1

causal

Answer to Question 2

b

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Gracias!

[anyusername12131]

Thanks for the timely response, appreciate it