Experiment set up

• Creating experiments

  1. research qn
  2. hypothesis
  3. experiment
  4. data
  5. analyse
  6. report
• Quantitative data involves numbers and units of measurements
• Data is measurements and observations collected as part of experiment. a combination of data and descriptions
• D.V. is what you measure and what is affected in experiment
• I.V. is the variable you have control over.
• Scientific Method: an inquiry process used to systematically study, investigate, and provide explanations for observed phenomena in the natural world
• Controlled Variable: factors in an experiment kept the same for all groups or trials to reduce the influence of extraneous variables
• Control Group: the group in an experiment that receives the exact treatment as the experimental groups except it does not receive any change of the independent variable
• Hypothesis: a tentative and testable proposed explanation for an observed phenomenon, based on observation and prior knowledge of the system. It refers to only 1 I.V. &1 D.V. , written as a definite statement and not a qn
• Inference: a conclusion, based on facts, which a person perceives to be true
• Qualitative Data: data that describe characteristics or qualities, or category frequency or ratings
• Sample Size: the number of experimental set-ups with the same conditions