PSYC 100 Lecture Notes - Lecture 7: Absolute Threshold, Twin Study, Behavioural Genetics

• School: Simon Fraser University
• Department: Psychology
• Course: PSYC 100
• Professor: A.George Alder

Document Summary

Estimate of proportion of variability in a population that is determined by variations in genetic inheritance. 0-none of the variability in trait differences is due to genetics. 1-all of all variability in trait differences is due to genetics. Similarities of traits b/w parent & adoptive child. Strictly involves the stimulation of the sense organs. Involves selection, organization & interpretation of sensory inputs. Dividing point b/w energy levels that do and do not have a noticeable effect. Min amount stimulation than an organism can detect for a specific sensory input. Candle flame at 50 km on a clear night. One tsp sugar in 2 gallons of water. The wing of a beel falling on your cheek from 1 cm. Min difference b/w two stimuli for the person to be able to detect them as different. Tick of a watch at 6 meters in a quiet room. 1 drop of perfume in a 3 room apartment.