In experimentation, designing the procedures A) must be done ...

[Sportsfan2111]

In experimentation, designing the procedures
 
  A) must be done before making observations.
  B) is flexible and the procedures can be altered at any time.
  C) is carried out immediately following observation.
  D) includes analyzing the obtained data.

Question 2

Experimental design
 
  A) refers to trying things out at random.
  B) is the random assignment of conditions.
  C) involves the measurement and control of variance.
  D) focuses on the measurement of contingencies.

[yifu223]

Answer to Question 1

Answer: A

Answer to Question 2

This is awesome you took your the time to answer these questions. You have been so helpful.

[Sportsfan2111]

Thanks for the timely response, appreciate it

[Animal_Goddess]

YES! Correct, THANKS for helping me on my review