In spaced responding DRL, the reinforcer is delivered for the absence of a behavior after a time interval has passed

According to sociocultural theory, each person develops competencies taught by more skilled members of the society

Indicate whether this statement is true or false.

With insecure-avoidant attachment, seen in approximately _____ percent of infants studied in the United States, infants do not seem to use the mother as a secure base

A) 10 B) 15 C) 28 D) 38