Seasonal Affective Disorder (SAD) is a type of depression that occurs at a specific time of year—most commonly beginning in the late fall and continuing into winter. Less frequently, some individuals experience SAD during the spring or summer months.| The Psychology Notes Headquarters
American psychologist, Urie Bronfenbrenner, formulated the Ecological Systems Theory to explain how the inherent qualities of children and their environments interact to influence how they grow and develop. The Bronfenbrenner theory emphasizes the importance of studying children in multiple environments, also known as ecological systems, in the attempt to understand their development.| The Psychology Notes Headquarters
The Piaget theory suggests that regardless of culture, the cognitive development of children follows a predetermined order of stages, which are widely known as the Piaget stages of cognitive development.| The Psychology Notes Headquarters
Based on Piaget’s Theory of Cognitive Development, American psychologist Lawrence Kohlberg (1927-1987) developed his own theory of moral development in children. According to Kohlberg's Theory of Moral Development, there are 6 stages of moral development, known as Kohlberg’s stages of moral development.| The Psychology Notes Headquarters
Kurt Lewin was one of the first psychologists to propose that the development of an individual was the product of the interaction between inborn predispositions (nature) and life experiences (nurture).| The Psychology Notes Headquarters
In Sigmund Freud’s Psychosexual Theory, he proposed that the behavior and development of a person are influenced by the interaction between the conscious and unconscious aspects of that person’s mind.| The Psychology Notes Headquarters
The First Five Years A few months after it is born, an infant starts to babble and coo. These meaningless sounds signify the initial stage in the development of language, which proceeds at an unbelievably rapid rate during the first five years of a child’s life. Babbling increasingly starts to approximate the language spoken by the child’s caregivers, initially through...| The Psychology Notes Headquarters
The concepts of sex and gender are often inappropriately interchanged, with many people thinking that they are one and the same thing. Operationally defined, gender is the sense of being female or male, or the idea of femininity and masculinity, as differentiated from the concept of sex. While sex generally refers to the physiological and biological constitution of an individual,...| The Psychology Notes Headquarters
Although many theorists are responsible for contributing to the Developmental Tasks Theory, it was Robert Havighurst who elaborated on this theory in the most systematic and extensive manner.| The Psychology Notes Headquarters
Albert Bandura, an American psychologist, developed most of the principles of contemporary social learning theory / social-cognitive theory which is one of the more prominent and influential theories of development today. Bandura’s Social learning theory serves as a link that connects the behaviorist perspective and the cognitive perspective, supporting the behaviorist’s belief in the importance of reinforcement on maintaining behavior...| The Psychology Notes Headquarters
Lev Vygotsky, a Russian psychologist, developed a theory of cognitive development in children known as the Vygotsky’s Sociocultural Theory of Cognitive Development in the early twentieth century.| The Psychology Notes Headquarters
