PSYA01H3 Lecture Notes - Lecture 6: Operational Definition, Grayscale, Rubber Band
Document Summary
Terminology: experiment: involves typically contrasting behaviour across two (or more) conditions (the human and the cage) that differ in some way that should matter (ex. Independent variable: changed the critical difference across conditions: we have control of, we are manipulating, presence/absence of current (there"s either electrical current or there isn"t, dependent variable: reflects the behaviour of interest (shark"s aggression) Reliability: validity: whether one believes that a given operational defintion really reflects the theoretical entity it is meant to represent. Studying infants who cannot speak, crude interactors with the world. Computer monitors present the same image; expect coloured on one screen and grayscale on the other. The baby will prefer the coloured image and shift towards it. Two coders go through the video of baby without knowing which side the colour is on. They"re asked where the baby was looking the most. They know it"s a noisy behaviour, but they can reliably measure it.
