The forms of logic required by Piagetian tasks are heavily influenced by training, context and cultural conditions.
Explanation:
Most of the cross-cultural studies regarding Piaget's theory are similar, centering on the idea that an individual's operational development is highly influenced by various cultural conditions.
Piagetian tasks are used to measure an individual's cognitive development, primarily children and adolescents. These require a certain logic which, according to the cross-cultural research, do get influenced by training and the child's context since those factors help develop the child.
Answer: This research study focused on the negative symptom called AFFECTIVE FLATTENING.
Explanation: AFFECTIVE FLATTENING is a Schizophrenia Symptom that is characterized by poor eye contract; reduced body language; relatively immobile and unresponsive facial expressions etc.