Unit 1 Questions Flashcards

1
Q

In what terms is a hypothesis defined?

A

Variables (at least 2)

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2
Q

The subset of the total number of elements that share a characteristic is a …?

A

sample

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3
Q

A sample must be …?

A

representative

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4
Q

can a dependent variable be defined as a proposed consequence?

A

yes

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5
Q

What is the independent and dependent variable in this example?

A sedentary lifestyle increases the presence of depressive symptoms

A

Sedentarism: independent
Depression: dependent

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6
Q

What is the independent and dependent variable in this example?

People with high self-esteem will show less anxiety when speaking in public.

A

Self-esteem: independent
Anxiety: dependent

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7
Q

What can quasi-quantitative variables be?

A

Dichotomized or Polytomized

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8
Q

What can quantitative variables be?

A

Continuous or Discrete

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9
Q

What can qualitative variables be?

A

dichotomous or polytomous

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10
Q

What is the variable marital status (single, etc.)

A

polytomous

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11
Q

The variable “age” is quantitative and …?

A

discrete

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12
Q

The variable “income” is quantitative and …?

A

continuous

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13
Q

The variable “temperature” is quantitative and …?

A

quantitative

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14
Q

Order the measurement scales from least to most arbitrariness between values and categories

  • interval, ordinal, ratio, nominal
A

nominal
ordinal
interval
ratio

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15
Q

What does arbitrariness mean?

A

“randomness”

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16
Q

What measurement scale does the variable use?

the money artists make from their music

A

ratio

17
Q

In which variable do values only represent hierarchy?

A

in ordinal variables

18
Q

in which scale can the mean not be calculated?

A

nominal scale

19
Q

wich scale admits negative numbers?

A

internal scale

20
Q

which scale admits proportional relationships (twice as many as)?

A

ratio scale

21
Q

What scale of measurement corresponds to the variable blood alcohol level?

A

ratio

22
Q

Which measurement scale corresponds to the variable likert-type scale from -3 to 3?

A

interval

23
Q

What scale of measurement corresponds to the variable place in a contest (1 first 2 second 3 third)?

A

ordinal

24
Q

What scale does quantitative/ratio always use?

A

0 - …
-> 0 is absence of something

25
Q

What scale does quantitative/interval have?

A

any scale (-5 to 5, -10.000 to 8000, etc.)