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Flashcards - Statistics & Research for Psychology

Flashcards - Statistics & Research for Psychology
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statistical significance
In statistical hypothesis testing, statistical significance is attained whenever the observed p-value of a test statistic is less than the significance level defined for the study
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standard deviation
In statistics, the standard deviation is a measure that is used to quantify the amount of variation or dispersion of a set of data values
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outlier
In statistics, an outlier is an observation point that is distant from other observations
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mode
The mode is the value that appears most often in a set of data
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median
The median is the value separating the higher half of a data sample, a population, or a probability distribution, from the lower half
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mean
In mathematics, mean has several different definitions depending on the context
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case study
A case study is about a person, group, or situation that has been studied over time
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scientific method
The scientific method is a body of techniques for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge
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hypothesis
A hypothesis is a proposed explanation for a phenomenon
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18 cards in set
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Back
hypothesis
A hypothesis is a proposed explanation for a phenomenon
scientific method
The scientific method is a body of techniques for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge
case study
A case study is about a person, group, or situation that has been studied over time
mean
In mathematics, mean has several different definitions depending on the context
median
The median is the value separating the higher half of a data sample, a population, or a probability distribution, from the lower half
mode
The mode is the value that appears most often in a set of data
outlier
In statistics, an outlier is an observation point that is distant from other observations
standard deviation
In statistics, the standard deviation is a measure that is used to quantify the amount of variation or dispersion of a set of data values
statistical significance
In statistical hypothesis testing, statistical significance is attained whenever the observed p-value of a test statistic is less than the significance level defined for the study
population
A population is a summation of all the organisms of the same group or species, which live in a particular geographical area, and have the capability of interbreeding
sample
In statistics and quantitative research methodology, a data sample is a set of data collected and/or selected from a statistical population by a defined procedure
experimental
An experiment is a procedure carried out to support, refute, or validate a hypothesis
research designs
A research design is the plan of a research study
dispersion
In optics, dispersion is the phenomenon in which the phase velocity of a wave depends on its frequency
Internal validity
In scientific research, internal validity is the extent to which a causal conclusion based on a study is warranted, which is determined by the degree to which a study minimizes systematic error
causation
Causation is the "causal relationship between conduct and result"
data
Data is a set of values of qualitative or quantitative variables
descriptive
In the study of language, description or descriptive linguistics is the work of objectively analyzing and describing how language is actually used by a group of people in a speech community

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