Psychologist Gloriayn Rovee-Collier placed babies on their
backs under a colorful crib mobile and tied a ribbon around the baby's ankle, connecting it to the mobile. Whenever the babies spontaneously kicked their legs, the mobile jingled and rattled. Within minutes, infants as young as what age learned to control their movements and kick faster to move the mobile more?
a. three months
b. six months
c. nine months
d. 12 months
ANSWER: a
You might also like to view...
An advantage of field research is that it allows the use of sophisticated equipment
Indicate whether this statement is true or false.
According to the chapter Adolescents will be Adolescents about the adolescent children of homosexual
and heterosexual parents, for which problem behaviors did the children of lesbian parents differ from the children of heterosexual parents? (a) substance abuse (b) how substance use affected sexual activity (c) relationships with family and others (d) the children with lesbian parents did not differ from the children with heterosexual parents in any problem behavior domain