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
3 months agoOcie
1 months agoMitzie
2 months agoRessie
2 months agoTawna
3 months agoErinn
1 months agoArmando
2 months agoKizzy
2 months agoMarguerita
3 months agoShelba
1 months agoOcie
2 months agoMitzie
2 months agoPamela
2 months agoMignon
3 months agoLauran
2 months agoRonald
2 months agoAmmie
3 months agoKris
3 months agoKiley
2 months agoMireya
2 months agoVashti
2 months agoCornell
2 months agoRaylene
3 months agoAmmie
3 months ago