Psychology 1000 Lecture Notes - Lecture 4: Internal Validity, Master Control, Myelin

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Erica Lawson

Document Summary

Degree to which experiment supports causal conclusion (want high internal validity) Degree to which results can be generalized. Cues in experiment which help convey what your hypothesis is to participants. They help the experimenter achieve they"re hypothesis. Look at the data (look at the numbers, statistics) The nervous system: descartes --> reflex arc. Stimuli transferred from periphery to brain and reflected back. Importance of pineal gland (pinecone shaped gland in the centre of brain, master control centre) September 20, 2012 motor --> efferent fibres (go to effectors) (central structures to peripheral structures: bell and muller. 9000 ft / min to 57 billion ft / sec. Not instantaneous, there is a limit on how fast a nerve impulse can go. 50 - 100 metres / sec: reaction time. The building blocks for material that"s in the nervous system. Pick up info from internal sensory structure. Send info right to the axon terminals.