Psychology PY3 Quiz

PY3 Section A & B Questions

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  • Created by: ALISON
  • Created on: 11-01-11 01:02

1. What is meant by an independent measures design?

  • This involves using subjects of the same gender in an experiment
  • This involves using subjects of the same age in an experiment
  • This involves using different subjects in each condition of the experiment
  • This involves using the same subjects in each condition of the experiment
  • This involves using different but similar subjects in each condition of the experiment
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2. What is a null hypothesis?

  • A null hypothesis predicts that there will be no effect or no relationship between the variables and that any link found is due to chance
  • A null hypothesis predicts that the independent variable will have an effect on the dependent varaible and states in what direction it will affect it
  • A null hypothesis predicts that there will be a relationship between the independent variable and the dependent variable but does not state in which direction

3. What is a systematic sample?

  • A sample made up of the most available participants
  • Subgroups within a population are identified, then participants are obtained via an oppurtunity sample
  • Involves selecting every nth person on a list
  • A sample in which every member of the population has an equal chance of being selected
  • A sample of volunteers advertised for in a newspaper or on a notice board

4. What is an independent variable?

  • The variable that is manipulates
  • The variable that is measures
  • The variable that is tested under correlation

5. What is nominal data?

  • Data that can be measured on a scale with set intervals that mean something
  • frequency data. The number of times something occurs
  • Data that can be ranked or put in order
  • Data that can be measured on a scale with set intervals that mean something and a meaningful zero
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Comments

Beth Haworth

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a confounding variable is simply a variable that is known to have affected the experiment (either I.V or D.V). an extraneous variable becomes a confounding variable when it is known to have affected the result. 

otherwise a good quiz, could do with more questions though i think.

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