Zusammenfassung der Ressource
Frage 1
Frage
Variability, intrinsic vs extrinsic: Measurement error is an example of [blank_start]____________[blank_end]; ‘natural’ variation within the system (e.g. body sizes of different individuals) are an example of [blank_start]____________[blank_end].
Antworten
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Extrinsic
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Intrinsic
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None! Stupid answer.
Frage 2
Frage
Dispersion, spread: [blank_start]____________[blank_end] is the square root of [blank_start]____________[blank_end].
Antworten
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Standard deviation
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Variance
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Standard Error
Frage 3
Frage
Complete the following formula:
Antworten
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n (sample size)
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variance
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standard deviation
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standard error
Frage 4
Frage
When to use main tests:
Differences between 2 means: [blank_start]____________[blank_end];
Differences between >2 means: [blank_start]____________[blank_end];
Linear and/or curvilinear relationships: [blank_start]____________[blank_end];
Frequencies (counts): [blank_start]____________[blank_end];
(All of these test null hypotheses)
Frage 5
Frage
Correlation vs regression:
Antworten
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Correlation defines a relationship between variables (causal or not)
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Regression states that one variable predicts another
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Regression defines a relationship between variables (causal or not)
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Correlation states that one variable predicts another