PSYCH 140 Lecture Notes - Lecture 2: Naturalistic Observation, The Times Group, Longitudinal Study
Document Summary
Methods for study developments different have people different perspective. Reliability = is data judged collection measurements refer to same variable and analysis is unbiased way by each found different observers time regardless variable coded same results are research same who conducts. Validity : the studied being ecological validity measure used is representative of the phenomena whether a finding has real world sig. Create a to test its situation effect where only one variable is manipulated. Research design the question ? over time same group different group same time take a sub. Cross - sectional pros : less cons can. , expensive directly may change of a person , only change internal variability variables confounding. Longitudinal studies pros : less variability can detect pattern of continuity and change. Studies development in a when the child on the very verge of shore period of a development time. Example : slaughter and gopnik evidence children give.
