More cards in this set

Card 6

Front

What was the weakness in Sperry?

Back

Preview of the front of card 6

Card 7

Front

What was the method in Dement and Kleitman?

Back

Preview of the front of card 7

Card 8

Front

What were the strengths in Dement and Klietman?

Back

Preview of the front of card 8

Card 9

Front

What were the weaknesses in Dement and Klietman?

Back

Preview of the front of card 9