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11 Cards in this Set

  • Front
  • Back
What is descriptive statistics
Organize and summarize data. Statistics that describe the data.
What is the null hypothesis
Hypothesis of no difference. Assumes treatment had no effect on the measured variable.
What is the alternative hypothesis
Shows treatment had some effect on the measured variable
What is replication
Accurately reproudced
What is treatment
independent variable
What is a control
A standard at which others can be compared
What is the scientific method
Logical orderly approach to study nature, process to gain new knowledge.
What is a protocol
Chronologically detailed account of your experiment
What is an experiment
Planned investigated designed to obtain new scientific information.
What is a controlled observation
Conditions are contrived by the researcher.
What is a significance level?
Criterion used for rejecting null hypothesis