Mixed reserahc skills revision

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Which describes construct validity
Is it measuring what we want to measure
1 of 7
Which is a design withoug a control group
Interrupted time-series
2 of 7
A study has used a very small sample size. This may be a threat to:
Statistical validity
3 of 7
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
Kruskal Wallis
4 of 7
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
5 of 7
Prof Hasan is examining differences in happiness between patients with Alzheimer's Disease and healthy controls. What statistical test should he use?
Independent samples t-test if the data meets parametric assumptions, and Mann-Whitney U if it doesn't meet parametric assumptions
6 of 7
a type 1 erros is a ..
false positive - there was actually no effect
7 of 7

Other cards in this set

Card 2

Front

Which is a design withoug a control group

Back

Interrupted time-series

Card 3

Front

A study has used a very small sample size. This may be a threat to:

Back

Preview of the front of card 3

Card 4

Front

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

Back

Preview of the front of card 4

Card 5

Front

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

Back

Preview of the front of card 5
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