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Human Biology > Ch 2: Scientific Method > Flashcards

Ch 2: Scientific Method Flashcards

1
Q

Second stage

A

Proposing a hypothesis

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2
Q

Third stage

A

Designing and conducting an experiment

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3
Q

Fourth stage

A

Recording and analysing data

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4
Q

Fifth stage

A

Formulating a conclusion

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5
Q

Observations can be…

A

Qualitative or quantitative

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6
Q

Qualitative =

A

Made subjectively

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7
Q

Quantitative =

A

Made using measurements

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8
Q

First stage

A

Making an observation

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9
Q

Hypothesis =

A

Educated guess

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10
Q

Hypothesis can’t be provided but can be..

A

Supported or disproved

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11
Q

Abundance of evidence to support a hypothesis =

A

Theory

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12
Q

Aim of an experiment =

A

To disprove or support hypothesis

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13
Q

Variables =

A

Factors that can change or vary in an experiment

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14
Q

Independent variable =

A

Factor being manipulated

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15
Q

Dependent variable

A

Changes as a result of independent variable

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16
Q

Controlled variable =

A

Variables kept constant

17
Q

Uncontrolled variables =

A

Variables that can reduce validity

18
Q

Controlled experiment =

A

When all variables (except Iv) are held constant among all groups

19
Q

Experimental group =

A

Undergoes conditions of the independent variable

20
Q

Control group =

A

Kept constant, used as a comparison to experimental group

21
Q

Placebo =

A

Looks like substance but has no effect, used to control psychologically uncontrolled variables

22
Q

Double blind experiment =

A

No one knows who is receiving the independent variable - reduces bias and increases reliability

23
Q

Well support hypothesis includes:

A

Sample size, replicates, repeated procedures

24
Q

Sample size should be..

A

Large enough to reduce chance or abnormal results

25
Q

Replicates…

A

Can reduce effect of unforeseen variables

26
Q

Repeating procedures..

A

Eliminates uncontrolled variables

27
Q

Data usually in the from of… (X4)

A

Words, diagrams, measurements, graphs

28
Q

Analysing data involves..

A

Comparing results between experimental and controlled groups to determine effect of the independent variable

29
Q

Conclusion =

A

Statement that relates back to the hypothesis, is supported/disproved by data

Human Biology (7 decks)

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