Final answer:
Observing which hand Jamal uses to write his name can help determine if he is right-handed or left-handed.
Step-by-step explanation:
The BEST response Jamal's preschool teacher can give his parents is to observe which hand Jamal uses to write his name. Being able to write one's name requires more fine motor skills and coordination, making it a reliable indicator of hand preference. By observing Jamal's hand preference during this activity, his teacher can provide valuable information to the parents about whether he is right-handed or left-handed.
Learn more about Determining hand preference in young children