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Research methods > Data > Flashcards

Data Flashcards

1
Q

What is data used for?

A

Calculating the effectiveness of a variable

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2
Q

What is a population?

A

Complete set of subjects or objects

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3
Q

What is a sample?

A

Subset of a given population

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4
Q

What are examples of sample subjects?

A

Cells, products, people, SMS messages …

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5
Q

What makes a good sample?

A
  • Consideration of subcategories
  • Should not be modified for a better conclusion
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6
Q

What is cherry picking?

A

Cherry picking is when a sample is modified to suit a researchers conclusion

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7
Q

what are variables?

A

set of related events that can take on various values
changed due to characteristic or value

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8
Q

What is statistical inference?

A

How well a property of one variable can be predicted by another

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9
Q

What is independent variable

A

variable representing the value being manipulated or changed
controlled or selected to determine relationship on observed

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10
Q

Dependent variable

A

observed result of the independent variable being manipulated

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11
Q

What are levels of independent variables

A

Also known as conditions or treatments
Different categories within independent variables

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12
Q

What are control variables

A

Variables that are kept constant to prevent influence of the independent or dependent variable

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13
Q

what are the 4 representative data types in statistics

A

Nominal
Ordinal
Interval
Ratio

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14
Q

Define nominal data

A

Data that can’t be ordered or counted
E.g. country or gender

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15
Q

What is ordinal data

A

Data that can be ordered
Can’t be added or subtracted
E.g. satisfaction rating/ spice level

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16
Q

What is interval data

A

Can be ordered and a difference can be measured but a ratio cant be formed
No meaningful zero
e.g. exam mark, date, year

17
Q

What is ratio data

A

Interval data where a ratio can be formed
Data has meaningful zero
E.g. distance or height

18
Q

Which data types are qualitative

A

Nominal and ordinal

19
Q

Which data types are quantitative

A

Interval and ratio

20
Q

What label are the data types under on Jamovi

A

Nominal and ordinal = categorical
Interval and ratio = continuous

Research methods (6 decks)

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