# 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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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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CLEP Introductory Psychology Exam: Study Guide & Test Prep18 chapters | 142 lessons | 25 flashcard sets

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