DrSpelke Thinks That Language Is Linked to Spatial Ability

Multiple Choice

Dr.Spelke thinks that language is linked to spatial ability.To prove it,she enlists two groups of people to navigate around the room,one of them doing so while singing a song and the other while clapping hands.In this scenario,which statement is TRUE of Dr.Spelke's study?

A) The group that claps hands serves as a control group.
B) The group that claps hands serves as an experimental group.
C) The group that sings a song is not relevant to Dr.Spelke's study.
D) The group that sings a song is positively correlated to the group that claps hands.