<prompt> According to Piagets Cognitive theory, the sequence of development has been categorized as:Sensorimotor stage, preoperational stage, concrete operational stage, formal operational stage.Sensorimotor stage, preoperational stage, formal operational stage, concrete operational stage.Pre-operational stage, sensorimotor stage, formal operational stage, concrete operational stage.Formal operational stage, preoperational stage, sensorimotor stage, concrete operational stage.  <response>: According to Piaget, the ages between 6 and 12 roughly approximate the third major developmental stage of cognition, that is, the phase of concrete operations. Piaget proposed the following four major periods of intellectual development:Sensorimotor: Birth to 18 monthsPreoperational: 18 months to 7 yearsConcrete operational: 7 to 12 yearsFormal operational: 12 years and onward.Pediatric Dentistry Infancy Through Adolescence Fourth Edition P: 469 