Second is B.F Skinner who believed that all behavior can be explained through environmental conditioning without recognizing the importance of internal mental processes such as cognition and emotion. His focus on objective observation has led critics to consider his theories too rigid and lacking any real insight into human interaction or motivation in general. Finally is William James whose belief in a “stream of consciousness” – a continually changing flow from one momentary thought or feeling to another – is seen by many as an oversimplification of how the inner workings of the mind actually operate given our current understanding about neuropsychology. Two thinkers whose ideas will likely stand the test of time are Jean Piaget with his cognitive developmental theory and Lev Vygotsky with his social-cultural learning theory. Piaget's work was groundbreaking because he was among the first theorists who proposed that children actively construct knowledge rather than simply receive it passively from adults or their environment; furthermore, he developed stage models for cognitive development which have since been verified through numerous studies providing valuable insights into how different age groups learn best. Likewise Vygotsky’s work laid down important groundwork regarding language acquisition by proposing that communication between individuals builds upon shared cultural experiences while at same time helping shape personal identity; additionally he argued the importance of social context when it comes understanding certain concepts beyond what would normally be capable independently (the concept now known as “scaffolding\"). Both these theories remain relevant today due their ability capture aspects about our nature that still hold true despite changes over time—namely our innate capacity for progress via collaboration with others within our respective communities both large scale ones like nation-states down smaller ones like families/friends circles etc.

Sample Solution

Three thinkers whose ideas will not pass on to the future of psychology include Sigmund Freud, B.F. Skinner, and William James. Freud’s psychoanalytical approach focused heavily on unconscious determinants which are often difficult to empirically measure or verify; therefore, this renders it largely irrelevant in modern psychological research. In addition to this, his theories have been largely discredited due to their lack of empirical evidence and reliance on subjective interpretation which leads many psychologists today to regard them as outdated and invalid.