toolls - The Tools of Psychological Research PSY 120 Prof....

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
1 The Tools of Psychological Research PSY 120 Prof. South 1/18/2011 & 1/20/2011 The Scientific Method Why people don’t “buy” psychology The Scientific Attitude Testing hypotheses Barriers to developing good theory Goals of Psychological Science Observation & Description: Characterize a construct (concept) Prediction: Identify relationship between two concepts El t i Id if d l i f l i hi Explanation: Identify underlying causes of relationship Control & Treat: Alter behavior based on understanding of underlying causes
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 Resistance to psychology’s findings Judgment Overconfidence Humans are overconfident in their knowledge and abilities GRABE -> BARGE OCHSA -> CHAOS Resistance to psychology’s findings “Folk wisdom” Often contradictory Look before you leap vs. He who hesitates is lost Absence makes the heart grow fonder vs. Out of sight, out of mind Two heads are better than one vs Too many cooks spoil the broth Two heads are better than one vs. Too many cooks spoil the broth Often wrong Low self-esteem and aggression Using only 10% of our brainpower
Background image of page 2
3 Pseudoscience Astrology, psychic surgery, speed reading, therapeutic touch, subliminal self-help tapes, psychic detectives, telepathy, clairvoyance, precognition, reincarnation, pyramid power Psychology as a Science Use of the Scientific Method Systematic Empiricism The production of public knowledge The examination of solvable problems Common Unifying Principles Conclusions about behavior derive from scientific evidence Practical applications of psychology have been derived from and tested by scientific methods The Scientific Attitude “What do you mean?” “How do you know?” “To believe with certainty, we must begin by doubting” - Polish Proverb
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
4 Scientific Theory explains through an integrated set of principles that organizes and predicts observable behaviors or events must generate testable predictions (hypotheses) that can show the theory to be false – falsifiability criterion Concepts in theories must be linked to observable events that can be measured-- operationism Human barriers to developing good theory and rejecting bad theory Natural functions: Humans are brilliant pattern identification organisms Human Credulity: Humans are belief machines Belief Certainty: Humans are not humble about beliefs beliefs are like possession beliefs – beliefs are like possessions Ego-centrism: Locked in our own perspectives Introspective unawareness: Know thyself Expectancies: We see what we believe
Background image of page 4
5 Experimenter Expectancies Any bias in research results that derives
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/19/2011 for the course PSY 120 taught by Professor Donnely during the Spring '08 term at Purdue University-West Lafayette.

Page1 / 19

toolls - The Tools of Psychological Research PSY 120 Prof....

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online