Which of the following would be most likely to evoke Jaspers first laugh?
A) his mother quietly singing to him while rocking him
B) his father saying bababababa as he strokes Jaspers arms
C) his brother playing a silent game of peekaboo
D) his sister saying Here I come and kissing his tummy
Question 2
Laughter reflects __________.
A) increased sensitivity to object permanence
B) sensitivity to the human face
C) an infants capacity to respond to passive stimuli
D) faster processing of information than smiling