PSYC 160 Lecture Notes - Lecture 1: Language Development, Longitudinal Study
Document Summary
Description: obtain an accurate record of that which has been observed (seen or heard). Explanation: attempt to assign meaning to that has been observed. Optimization: applying the results derived from research to improve the quality of life. Cohort: designates a group of people born at a group of time. Time of measurement: time in which data is collected from participants. Cross-sectional: used for 1 time data collection from 2 or more groups. Longitudinal: data collection multiple times from 1 group. Data collection: one time from each participant. The amount of time depends on the number of participants. Data source: from two or more groups. Data collection: two or more times from each participant. Time-lag design: life at 80 years of age. Collected data from physical, mental, and social development from. 16 years of age need parent or guardian consent. Right to withdraw at anytime with no penalty. In some circumstances telling them what the study is about invalidates results.
