Glossary Flashcards

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1
Q

An experiment in a controlled environment that can be easily repeated

A

Laboratory experiment

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2
Q

An experiment done in a not controlled environment

A

Field experiment

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3
Q

An experiment with a naturally occurring independent variable

A

Quasi experiment

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4
Q

A variable that changes and are both measured

A

Independent variable

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5
Q

What the experiment is measuring

A

Dependent variable

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6
Q

A variable the experimenter can’t control or something that will effect the results

A

Extraneous variable

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7
Q

What type of experiment is it, is it in a controlled environment or not?

A

Experimental condition

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8
Q

Where a different participant is used for the other IV

A

Independent measures design

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9
Q

Where the same participant is used for both IV’s

A

Repeated measures design

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10
Q

When different participants are used but the experimenter tries to match them in age and similarities

A

Matched group designs

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11
Q

Everything that stays the same each time the experiment is ran

A

Controls

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12
Q

If the same participant is used again and they will perform better as the done the same thing before

A

Order effects

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13
Q

Where a participant is aware of the true purpose of the experiment and acts differently to what they would naturally act

A

Demand characteristics

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14
Q

Where the participant doesn’t know what group they are in

A

Single blind

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15
Q

Where the experimenter and participant doesn’t know what group the participant is in

A

Double blind

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16
Q

Where someone states there will always be a significant change

A

Alternative hypothesis

17
Q

Where the hypothesis states that there will be no effect of the IV’s on the dependent variable

A

Null hypothesis

18
Q

An hypothesis with a direction

A

Two tailed hypothesis

19
Q

A hypothesis which is simple without a direction

A

One tailed hypothesis

20
Q

What type of participants the experimenter wants and will try to obtain

A

Target population

21
Q

Where the experimenter will go and ask people specifically if they want to take part in the experiment

A

Opportunity sampling

22
Q

Where the experimenters put out a poster or statement and the participants will decide to come

A

Self selected sampling

23
Q

Where random people are asked by the experimenter not based on the target population

A

Random sample

24
Q

Where the experimenter asks the participants to ask their friends and family and them to do the same so the chain continues

A

Snowball sample

25
Q

Guidelines the experimenters should follow to be considered ethical

A

Ethical guidelines

26
Q

Data in a numerical form

A

Quantitative data

27
Q

Data in a written worded form

A

Qualitative data

28
Q

Mean, median, mode

A

Measures of central tendency

29
Q

All the scores added up and divided by the amount of scores

A

Mean

30
Q

All the scores in increasing order and the middle number of all of them

A

Median

31
Q

The most common score

A

Mode

32
Q

Range, variance, standard deviation

A

Measures of dispersion

33
Q

The highest score minus the lowest score

A

Range

34
Q

The mean - the score and then squared and added together - the amount of participants - 1

A

Variance

35
Q

Standard deviation

A

Square root of a variance

36
Q

No manipulation of the independent variable

A

Control condition

37
Q

When the experimenter subconsciously helps the participant and is bias

A

Researcher effects

38
Q

Sample is divided to half and one half completing the 2 conditions in order and the other half will do the other half in reverse order

A

Counter balancing