Examlex
Explain in brief the stages of Piaget's Theory of Cognitive development.
Informal Research
A type of research that is not structured rigorously, often relying on casual methods of data collection such as observations or informal interviews.
Survey Research
A method of collecting information from a sample of individuals using questionnaires or interviews to study opinions, behaviors, or characteristics.
Self-Report
A method where individuals provide data about themselves, often in questionnaires or surveys, typically used in psychology and social science research.
Primary Research
involves the collection of original data through direct investigation or experiments, rather than analyzing previously published data.
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