Question

Which of the following principles of experimental design reduces errors due to chance by repeating an experiment on different subjects under different conditions?
A. Replication
B. Control
C. Randomization
D. Placebo effect
E. Blindness

Answer 1

@satellite73

Answer 2

no idea

Answer 3

@jim_thompson5910

Answer 4

check out this page

http://www.emathzone.com/tutorials/basic-statistics/basic-principles-of-experimental-designs.html

Answer 5

C?

Answer 6

@tkhunny

Answer 7

What was it about the page jim_thompson5910 suggested that didn't settle it for you. You should reread the section on Replication.

Answer 8

I did and that is what made me think C

Answer 9

@mathmale

Answer 10

Read "Replication" again...

"This type of variation can be removed by using a number of experimental units. We therefore perform the experiment more than once, i.e., we repeat the basic experiment"

Answer 11

Ah A

Answer 12

?

Answer 13

Thank you so much!