Flashcards - Research Methodology and Statistics

Flashcards - Research Methodology and Statistics
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variable
In elementary mathematics, a variable is an alphabetic character representing a number, called the value of the variable, which is either arbitrary or not fully specified or unknown
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hypothesis
A hypothesis is a proposed explanation for a phenomenon
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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
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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
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convenience sample
Convenience sampling is a type of non-probability sampling that involves the sample being drawn from that part of the population that is close to hand
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experiment
An experiment is a procedure carried out to support, refute, or validate a hypothesis
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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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Authority
The word authority can be used to mean the right to exercise power given by the State , or by academic knowledge of an area
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Quantitative research
In natural sciences and social sciences, quantitative research is the systematic empirical investigation of observable phenomena via statistical, mathematical or computational techniques
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Quantitative research
In natural sciences and social sciences, quantitative research is the systematic empirical investigation of observable phenomena via statistical, mathematical or computational techniques
Authority
The word authority can be used to mean the right to exercise power given by the State , or by academic knowledge of an area
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
experiment
An experiment is a procedure carried out to support, refute, or validate a hypothesis
convenience sample
Convenience sampling is a type of non-probability sampling that involves the sample being drawn from that part of the population that is close to hand
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
hypothesis
A hypothesis is a proposed explanation for a phenomenon
variable
In elementary mathematics, a variable is an alphabetic character representing a number, called the value of the variable, which is either arbitrary or not fully specified or unknown
scatter plot
A scatter plot is a type of plot or mathematical diagram using Cartesian coordinates to display values for typically two variables for a set of data
Interviews
An interview is a conversation where questions are asked and answers are given
normal distribution
In probability theory, the normal distribution is a very common continuous probability distribution
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
research question
Specifying the research question is the methodological point of departure of scholarly research in both the natural and social sciences
ecological validity
In research, the ecological validity of a study means that the methods, materials and setting of the study must approximate the real-world that is being examined
reliable across samples
Reliability in statistics and psychometrics is the overall consistency of a measure
correlation coefficient
A correlation coefficient is a number that quantifies some type of correlation and dependence, meaning statistical relationships between two or more random variables or observed data values
number
A number is a mathematical object used to count, measure, and label
sum
In mathematics, summation is the addition of a sequence of numbers; the result is their sum or total

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