Which theory was propounded by Alfred Adler?

→ In the field of children's cognitive development, who stated that 'language determines thought'? → According to Jean Piaget, at which stage does a child begin to engage in 'abstract thinking'? → According to Piaget, in which stage of cognitive development does a child begin to think logically about concrete objects and events? → According to Vygotsky, what is the role of 'Culture' in 'Cognitive Development'? → Which of the following psychological statements is most authentic and scientifically valid regarding the real psychological implications of 'Decentration'—a central concept under Jean Piaget's Theory of Cognitive Development defined as the advanced cognitive ability where a child can simultaneously consider, understand, and coordinate multiple aspects or dimensions of an object or situation rather than focusing on only one aspect, dimension, or feature (Centration)—and its scientific operation for students' multi-dimensional perspective, logical conservation, and cognitive flexibility in classroom teaching? → Which of the following statements is most accurate regarding the three stages of the 'Theory of Cognitive Development' proposed by Jerome Bruner—namely the Enactive Stage, Iconic Stage, and Symbolic Stage—and their pedagogical implications?