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Statistics For Psychology > 1 > Flashcards

1 Flashcards

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1
Q

Population

A

Individuals of interest in a particular study

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2
Q

Sample

A

Set of individuals selected from the population

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3
Q

Variable

A

Characteristic or condition that changes

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4
Q

Data

A

Measurements or observations

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5
Q

Parameter

A

A value which describes a population

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6
Q

Statistic

A

A value which describes a sample

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7
Q

Descriptive statistics

A

Statistical procedure used to summarise, organise and simplify data

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8
Q

Inferential statistics

A

Techniques which allow us to study samples then generalise

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9
Q

Sampling error

A

Naturally occurring error that exists between the sample statistic and the population parameter

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10
Q

Correlational method

A

Two different variables are observed to determine if there is a relationship between them

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11
Q

Experimental method

A

One variable is manipulated and another is observed to see if there’s a cause and effect relationship

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12
Q

Independent variable

A

Is the variable being manipulated

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13
Q

Dependent Variable

A

The variable being observed

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14
Q

Control Condition

A

The condition which receives no experimental treatment

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15
Q

Experimental Condition

A

Group which does receive the experimental treatment

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16
Q

Discrete Variable

A

Separate indivisible categories. No value exists between two neighbouring catergories

17
Q

Continuous Variable

A

There are an infinite number of possible values that fall between any two observed values

18
Q

Nominal scale

A

A set of categories that have different names

19
Q

Ordinal scale

A

A set of categories organised in an ordered sequence

20
Q

Interval scale

A

Consists of ordered categories that are all intervals of exactly the same size

21
Q

Ratio scale

A

Is an interval scale with an absolute zero point

Statistics For Psychology (2 decks)

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