When an infant cries, the caregiver responds by picking up the child, changing a diaper, or feeding. these actions by the caregiver serve as reinforcements, increasing the likelihood that the child will again communicate certain needs by crying. this demonstrates that even an infant learns through which type of conditioning?
(a)- operant conditioning
(b)- classical conditioning
(c)- observational learning
(d)- modeling learning

After graduating from college with a degree in education, matt found a teaching jobin saudi arabia. he figured that a teaching job in the middle east would be the same as a teaching job in the united states. while there were similarities between american and saudi schools, matt was unprepared for the differences between the two cultures. on the first day, a number of his students arrived later than the class's designated 10 a.m. starting time. later, during a break, he noted that his students seemed to stand closely to each other and to him when they spoke. after class, a confused matt asked the american director of the teaching program about these observations. that's why it's always important to do your homework! the director responded with a laugh. what is the possible explanation that director could gave him?