1. A researcher is examining whether background noise affects how quickly we eat. She observes people eating at a restaurant in which music is playing, and at another restaurant where no music is playing. She measures how long it takes for each person to eat
Increased the external validity
Increased the construct validity
Increased the internall validity
Increased the ecological validity
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2. Which describes construct validity
Uses the correct statistical procedure
Is it measuring what we want to measure
chnages in DV were caused by IV
Results generalise beyond specific experimental setup
3. which measuring effects of age uses a mixture of cross scetional & longitiduinal
Cross-sectional
Cross-presequential
Cross-sequential
Longitudianl
4. A study tested the blood pressure of three groups of tennis players. One group was tested before a game, one group was tested during a game, and one group was tested after a game. The study yielded ordinal data. Which test would you use assess the effect
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