CH DEV 1 Lecture Notes - Lecture 9: East Los Angeles College, Prenatal Development, Design Of Experiments
Document Summary
Gather info on individuals in a natural life circumstance without any kind of interaction then look at relationships between participants characteristics and their behaviors or development without inferring cause effect. Inferences about cause/effect in even-handed procedure to assign people to. Random assignment (unbiased way of assigning groups) Repeated study on same subject at different ages through lif. Groups of people differing in age studied at the same point in time. Does not provide evidence about development at the level at which it actually occurs. Presents children with a novel task and tests it over a series of closely. Moves down the fallopian tube, it duplicates, at first slowly and then rapidly. Amnion and ammonic fluid with a yolk sac that produces blood cells until the developing liver/spleen/bone marrow. By fourth day after conception, hollow, fluid-filled ball forms. Inner cells form embryo and outer cells form trophoblast (protective covering) Placenta permits food and oxygen to fetus and excretes waste.
