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Different people or same people

In one arrangement, each condition uses a separate group of people. In the other, the same people take part in every condition.

In the picture

  1. Upper-left table with two young adults under a warm yellow lamp: one group of people in one condition.
  2. Lower-left table with two different young adults under a cool blue lamp: a different group of people in the second condition.
  3. Right front table with two young adults under a warm yellow lamp: the same people as the right rear table, in the first condition.
  4. Right rear table with the same two young adults under a cool blue lamp: the same people again in the second condition.

Examples

  • Two separate groups of classmates each try a different revision app.
  • The same classmates solve easy and hard puzzles.

Quiz: Different people or same people (Age 18)

  1. What does independent measures mean in an experiment?

    • The same people take part in every condition.
    • Some people are different and some are the same in each condition.
    • Different people take part in each condition.
  2. What does repeated measures mean in an experiment?

    • The same people take part in only one condition.
    • The same people take part in every condition.
    • Different people take part in each condition.
  3. Which statement correctly contrasts independent measures and repeated measures?

    • Independent measures use different people per condition, while repeated measures use the same people in every condition.
    • Independent measures use the same people in every condition, while repeated measures use different people per condition.
    • Independent measures and repeated measures both use different people per condition.

The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.

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Age 18