Types of Variables and Levels of Measurement Flashcards

(31 cards)

1
Q

phenomenon whose value remains the same
from person to person, from time to time, or
from place to place

A

Constant

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2
Q

information on any characteristic that can
vary

A

Variable

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3
Q

its values and categories cannot be measured with certainty because it changes over time

A

Variable

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4
Q

Give examples of constant

A

Value of pi
Gravity (g) = 9.8 m/s2
Speed of light
Avogradro’s number

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5
Q

Give examples of variable

A

smoking habits, age of gestation, weight,
educational attainment

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6
Q

Variables can be ______or _________ depending on the objective of the data collection

A

Qualitative, Quantitative

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7
Q

describe by features, generally by words
▪ categories are simply used as labels to distinguish one group from another

A

Qualitative

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8
Q

it cannot be used as basis to say that one group is greater or lesser, higher or lower, or better or worse than the other group

A

Qualitative

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9
Q

one whose categories can be measured or ordered according to quantity or amount

A

Quantitative Variables

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10
Q

Levels of Measurements

A

Nominal, Ordinal, Dischotomous, Interval, Ratio

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11
Q

variables that have no measurement scales
and no rank order

A

Nominal

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12
Q

examples of dichotomous

A

skin color, biological gender, health status

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12
Q

Examples of nominal

A

blood types, vegetable or fruit colors, marital status

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12
Q

is nominal quanti or quali?

A

quali

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12
Q

Represent categories, names, or labels (does not represent quantity; no implied order to the categories).

A

Nominal

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13
Q

Binary Variables. variables that only have two levels

14
Q

Dichotomous and Nominal Variables are sometimes called ______ because the different categories are completely separate from each other

A

Discrete Variables

15
Q

variables that can be ranked or ordered either Qualitative or Quantitative, depending on the objective of the data collection

16
Q

Examples of ordinal

A

severity of disease, physical activity, likert scale

better to worse or
highest to lowest

17
Q

values are separated by equally spaced intervals and has no true zero point

18
Q

has standard units and are infinite

19
Q

zero is _____ and does not indicate the absence of the quantity being measured

A

arbitrary; interval

20
Q

interval can only be

A

added or subtracted

21
Q

examples of interval

A

temperature in Celsius and Fahrenheit, IQ scores,

22
there is equal intervals between values and has true zero point
ratio
23
ratio can be
data can be added, subtracted, divided, and multiplied
24
Examples of ratio
height, weight, distance, temperature in Kelvin
25
Rank from most info to least info
R-I-O-D-N
26
Qualitative is also known as
Categorical data
27
Quantitative is also known as
Numerical data
28
From the Greek word, “___” means “in two”; “___” means “to cut
Dicho; temnien