Answer:
Option D is the answer - the rejection of consciousness as a topic in psychology and a focus upon observable behavior.
Explanation:
John B. Watson conducted several psychological researches and pointed out that psychology should favor objective observation and measurement, and then reject consciousness, because if consciousness was the core focus of psychology, having introspection as its technique, the study of mentally-challenged persons, infants and animals should be removed from the science of psychology. Their exclusion is important since they can either do proper introspection or their introspection could not be trusted.
The answer is: <span>the best approach is not clear
Factors that would influence someone's effectiveness in learning second learning are heavily influenced by their intelligence and preferences.
Because of this, the best method to study would usually vary between one individuals with another.</span>
Steve's psychiatrist wants to know about Steve's past marijuana intake, because smoking marijuana could change the way genes are expressed. The way Steve says "It's just genetic—nothing could have changed it." means that he is afraid and does not to talk about his past. Studies have revealed that cannabinoids induce chromosome aberrations in both in vivo and in vitro studies.