PSY 230 Lecture Notes - Lecture 2: Breastfeeding, Plantar Reflex, World Health Organization

• School: University of Miami
• Department: Psychology
• Course: PSY 230
• Professor: Delgado Christine

Document Summary

Collect data at multiple ages, analyze it, and interpret the results: data collection. Naturalistic observation: in naturalistic observation, children are. Structured observed as they behave spontaneously in a real-life situation. observation, the researcher creates a setting likely to elicit the behavior of interest. observation: ice cream cone challenge; in structured: developmental research designs. Advantages: study the actual development of individual children. Disadvantages: time-consuming; expensive; subject drop out; repeated testing may influence behavior; cohort effects. Advantages: can be done quickly; more likely to have large sample sizes. Disadvantages: compares different children; makes assumptions about development; cohort effects. Advantages: can examine changes in the same individual as well as between groups; can identify and statistically control cohort effects and practice effects. Disadvantages: time-consuming; complex to conduct and analyze: cohort effects: the phenomenon whereby a group of people are influenced by historical forces or events unique to the time and/or place in which they live. Cohort effects limit the generalizability of the findings.