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Research Methods and Statistics

Horizontales
We use this for central tendency when the data is skewed (example = salary)
Each participant has equal chance of being assigned to a condition (control or experimental).
Summarizing the data into manageable form.
Tells us strength and direction of the relationship between two variables.
With the purpose of increasing crop production, the effects of fertilizer A is tested.
totals all the results and then divides by the number of units or “n” of the sample
This method gives us better control of the observational condition and the participants come to the researcher.
Verticales
The type of study which will allow us to establish cause and effect.
Selectively looking for evidence that supports the researcher's view
A type of skewed distribution where there are more higher numbers on the number line than lower numbers.
A type of study where both the participant and the person administering the drug do not know which condition (placebo or experimental) the participant is in.
This tells you how far your specific test score is from the class mean.
How the scores are spread out, away from the mean
A type of distribution with two modes.
The most frequent response.
A fast and cheap way to collect data from a large group of people at one time.