Cliff, a five-year-old, sits on a see-saw for the first time and does not know what to do. He sees another boy sitting on the opposite end of the see-saw laughing and smiling. After a while, Cliff starts laughing and smiling just like the other boy. Cliff's behavior illustrates _____.
A) social referencing
B) indiscriminate attachment
C) contact comfort
D) stranger anxiety
Question 2
All types of memory functions decline in middle adulthood.
Indicate whether the statement is true or false