Methods of Psychology - Methods of Psychology Psychology as...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
Methods of Psychology 20:11 Psychology as science and importance of experimental methods. Experiments: Independent, dependent, confounding variables Fundamental goal of Psychology is to think as scientists about behavior. (Brewer et al., 1993) Why is Psychology a science? Tests, experimental methodology Base theories on empirical evidence o Observable behavior Experimental methods to examine behavior o Controlled conditions and careful observations Critical thinking and skepticism Results and ideas are made publicly available Why use scientific methods? Given opposite proverbs Undergraduates judged both as being true! Facilitated Communication Primarily people with autism would have a facilitator who would type on keyboard for the  patient to communicate. Researchers found that it does not really work, because the facilitator helped the patient  make sense with what was recorded. How do we develop a study? Fact/Observation—objective statement that reasonable observers agree is true
Background image of page 1

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

View Full DocumentRight Arrow Icon
o I seem to remember more when I breath deeply o Students seem to do better in my class when I use PowerPoint. Theory:  Set of statements meant to explain existing facts or predict new facts. o Increased oxygen to brain produces a benefit for cognitive abilities Make hypotheses:  Predictions about new facts made from theory o Breathing deeply should improve individuals’ memory, digit span performance, etc. o Learning should improve when info is presented with PowerPoint compared to not. How do we examine behavior? o Experiment o Correlational study o Descriptive study What is an experiment? o Manipulate one (or more) variables and examine effect on behavior o Control the influence of other factors that might affect behavior o Can determine (as closely as possible) causation. How do we develop and experiment? o Breathing deeply produces an improvement in memory o Variables Can be measured, assessed, recorded Can vary:  can assume different values or scores for different individuals. IV:  Features of experiment that experimenter manipulates There must be at least one IV with at least 2 levels DV:  Aspect of behavior that is measured May depend on IV
Background image of page 2
Methods of Psychology Cont. 20:11 Anatomy of an experiment:
Background image of page 3

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

View Full DocumentRight Arrow Icon
Methods of Psychology Cont. 20:11 How does the breathing affect recall accuracy? o IV:  Breathing type Breathe deeply vs. breathe normally o DV:  Accuracy Name IV and DV Does using PowerPoint enhance later test performance? Does the type of lighting in class affect individuals’ general arousal?
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/30/2008 for the course PSYCH 101B taught by Professor Staff during the Spring '07 term at Washington University in St. Louis.

Page1 / 9

Methods of Psychology - Methods of Psychology Psychology as...

This preview shows document pages 1 - 5. Sign up to view the full document.

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