The key idea in the randomized block design is that variability ...

[lak]

The key idea in the randomized block design is that variability within each block____.
 
  a. is greater than the variability of the entire sample
 b. is less than the variability of the entire sample
 c. can be used to estimate the variability in the entire sample
  d. cancels out variability in the entire sample

Question 2

Ebbinghaus found that when he attempted to relearn a list that he had learned once before,
 
  a. he relearned the list faster the second time.
  b. he showed no savings.
  c. he needed more trials to reach criterion.
  d. it took the same amount of time to learn as it did the first time.

[Jmfn03]

Answer to Question 1

b

Answer to Question 2

A

[lak]

Thanks for the timely response, appreciate it

[bbburns21]

Gracias!