Watson opined that only observable behaviour that is measurable and recorded are of value in the study of humans and animals. He rejected the unconscious and inner state of a person because it could not be observed thus, was prone to subjective judgement.
John Broadus Watson was one of the great Psychologist of his time. John Broadus Watson was born in in South Carolina, United States of America on the 9th day of January, in the year 1878 and died in Connecticut, United States of America on the 25th day of the month of September, 1958.
He focused most of his works on Behaviorism Psychological school. In the question above all of the options are correct that is to say John Broadus Watson; "believed the basic laws of learning were the same for all organisms, argued that the goal of psychology was to predict and control behavior and underestimated the complexity of the human condition" which are options A,B and C respectively.
