When given free access to playing with blocks, crayons, and trucks, Jeff plays with blocks about 50% of the time, plays with crayons about 30% of the time, and plays with trucks the remaining 20% of the time. According to the Premack principle, which of the following is true?
Steffanie
2 months agoOcie
10 days agoMitzie
19 days agoRessie
24 days agoTawna
2 months agoErinn
13 days agoArmando
24 days agoKizzy
1 months agoMarguerita
2 months agoShelba
14 days agoOcie
17 days agoMitzie
1 months agoPamela
1 months agoMignon
2 months agoLauran
1 months agoRonald
1 months agoAmmie
2 months agoKris
2 months agoKiley
16 days agoMireya
17 days agoVashti
24 days agoCornell
1 months agoRaylene
2 months agoAmmie
2 months ago