PSYC 101 Lecture Notes - Lecture 3: Heredity, Internal Validity, Object Permanence
Document Summary
Social psychologist cover story to conceal true identity of a study. Strength able to make casual links between variables (confidence in internal validity) Limitation- sometimes not feasible (not able to change race, sex or type of parents etc. ) nor ethical. Deception uses actors to make the experiment psychologically realistic. Ethical considerations (deception) does not cause harm informed consent right to leave research without penalty right to results. Must be essential and justified if it is used a debriefing is required. *developmental psychology: study of physical, cognitive &social changes across the lifespan. Some skills/behaviors are more influenced by nature, some by nurture. Stages proposed by jean piaget: sensorimotor stage (birth -2yrs. ) *infant uses senses & motor abilities to interact with objects in the environment. : object permanence (knowing objects still exist even if they can"t see them) **out of sight, out of mind until 8 months.
