Flashcards
Experimentation process
Cards in this deck (14)
- 1HypothesisA suggested explanation of a phenomenon. Must be falsifiable. Should be specific, which makes it easier to test.
- 2Independent variablesVariable that are manipulated by experimenter.
- 3Dependent variablesVariable that are measured.
- 4Variables relationshipManipulating independent variables is assumed to affect dependent variables results.
- 5Null hypothesisWhen there is no relationship between manipulating independent variables and the result of dependent variables. When testing hypothesis, we are seeking to disproof it.
- 6Control conditionNo experimental manipulations performed.
- 7Experimental conditionExperimental variable(s) are manipulated.
- 8ValidityWhat we say is being measured, is really what is being measured?
- 9ReliabilityRunning the experiment several times, do we get the same results every time?
- 10ConfoundsAre there uncontrollable variables that might be influencing the results?
- 11Subject poolShould represent the intended user population. Should not be biased.
- 12Between-subjectsEach subject experience only one condition. Needs more subjects. Do not suffer form "learn effect".
- 13Within-subjectsEvery subject experiences every condition. Need fewer subjects. Order of conditions should be counterbalanced to minimize learning effects.
- 14Subjects influence on resultsMore subjects increase confidence of findings. Larger effects need less subjects to make it statically relevant. Smaller effects require subjects.
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- Flashcards on Experimentation process, created by dcardosods on 08/04/2015.
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- dcardosods
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