With reference to 'Multidimensional Theories of Intelligence', which of the following statements is most appropriate and true regarding the scientific nature of 'Spatial Intelligence', 'Musical Intelligence', 'Bodily-Kinesthetic Intelligence', 'Naturalistic Intelligence', and 'Existentialist Intelligence' under Howard Gardner's 'Theory of Multiple Intelligences', and their interrelationships with Robert Sternberg's 'Triarchic Theory of Intelligence' comprising 'Componential/Analytical Intelligence', 'Experiential/Creative Intelligence', and 'Contextual/Practical Intelligence'?

Modern theories of intelligence hold special significance in child development and pedagogy. Howard Gardner (1983) propounded in the 'Theory of Multiple Intelligences' that intelligence is not a single general ability, but rather a set of several independent types of intelligences (such as spatial, musical, bodily-kinesthetic, naturalistic, etc.). On the other hand, Robert Sternberg's (1985) 'Triarchic Theory of Intelligence' focuses on three major aspects of cognitive processes—analytical (componential), creative (experiential), and practical (contextual). Both theories scientifically establish the broad and multidimensional nature of human ability, rejecting the narrowness of traditional single-factor (Spearman's 'g' factor) or two-factor theories. Therefore, option (b) is completely true and appropriate.