AMS - Unit 1 Vocabulary - Experimental Design Flashcards

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1
Q

What does “testable questions” mean

A

Testable questions are ones which can be answered through experimental inquiry and observation of the natural world.

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2
Q

What does “Non-Testable questions” mean

A

Questions that cannot be answered by direct observation or by evidence gathered through experimental inquiries (i.e., “why…” questions), are not testable questions.

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3
Q

What does “Quantitative” mean

A

Measure or describe something in amount/numbers

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4
Q

What does “qualitative” mean

A

Measure or describe something by its qualities.

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5
Q

What does “trials” mean

A

A test of the performance and/or qualities of something

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6
Q

What does “observation” mean

A

the action or process of observing something or someone carefully or in order to gain information; a remark, statement, or comment based on something one has seen, heard, or noticed.

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7
Q

What does “empirical evidence” mean

A

information gathered directly or indirectly through observation or experimentation that may be used to confirm or disconfirm a scientific theory or to help justify, or establish as reasonable, a person’s belief in a given proposition.

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8
Q

What does “data”mean

A

facts and statistics collected together for reference or analysis.

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9
Q

What does “models in science” or “scientific models” mean

A

a physical and/or mathematical and/or conceptual representation of a system of ideas, events or processes.

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10
Q

What does “analogy” mean

A

a comparison between two things, typically for the purpose of explanation or clarification.

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11
Q

What does “prototype”mean

A

a first, typical or preliminary model of something, especially a machine, from which other forms are developed or copied

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12
Q

What does “hypothesis” mean

A

a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.

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13
Q

What does “variable” mean

A

not consistent or having a fixed pattern; liable to change.

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14
Q

what does “procedure” mean

A

an established or official way of doing something.

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15
Q

what does “accuracy” mean

A

the quality or state of being correct or precise.

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16
Q

what does “scientific method” mean

A

a method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.

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17
Q

What does “control”mean

A

a group or individual used as a standard of comparison for checking the results of a survey or experiment.

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18
Q

What does “constant” mean

A

a situation or state of affairs that does not change.

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19
Q

What does “predict” me

A

say or estimate that (a specified thing) will happen in the future or will be a consequence of something.

20
Q

What does “infer” mean

A

deduce or conclude (information) from evidence and reasoning rather than from explicit statements.

21
Q

What does “independent variable” mean

A

a variable (often denoted by x ) whose variation does not depend on that of another.

22
Q

What does “dependent variable” mean

A

a variable (often denoted by y ) whose value depends on that of another.

23
Q

What does “manipulated variable” mean

A

A manipulated variable is one type of variable found in experiments. You can change manipulated variables to learn how other variables in the experiment respond.

24
Q

What does “responding variable” mean

A

the part of an experiment that a scientists measures and observes closely for a change or a response.

25
Q

What does “sample size” mean

A

the number of observations or individuals included in a study or experiment.

26
Q

What does “validity” mean

A

the quality of being logically or factually sound; soundness or cogency.

27
Q

What does “trends in data” mean

A

a pattern found in time series datasets

28
Q

What does “correlation” mean

A

a mutual relationship or connection between two or more things.

29
Q

What does “precision” mean

A

the quality, condition, or fact of being exact and accurate

29
Q

What does “variability” mean

A

lack of consistency or fixed pattern; liability to vary or change.

30
Q

What does “volume” mean

A

the amount of space that a substance or object occupies, or that is enclosed within a container, especially when great.

31
Q

What does “mass” mean

A

the quantity of matter which a body contains, as measured by its acceleration under a given force or by the force exerted on it by a gravitational field.

32
Q

What does “weight” mean

A

a body’s relative mass or the quantity of matter contained by it, giving rise to a downward force; the heaviness of a person or thing.

33
Q

What does “percent” mean

A

by a specified amount in or for every hundred

34
Q

What does “rate” mean

A

a measure, quantity, or frequency, typically one measured against some other quantity or measure

35
Q

What does “ratio” mean

A

the quantitative relation between two amounts showing the number of times one value contains or is contained within the other.

36
Q

What does “line graph” mean

A

a graphical representation of information that changes over a period of time

37
Q

What does “bar graph” mean

A

a diagram in which the numerical values of variables are represented by the height or length of lines or rectangles of equal width.

38
Q

What does “pie graph” mean

A

a type of graph representing data in a circular form

39
Q

What does “scatterplot” mean

A

a graph in which the values of two variables are plotted along two axes, the pattern of the resulting points revealing any correlation present.

40
Q

What does “evidence” mean

A

the available body of facts or information indicating whether a belief or proposition is true or valid.

40
Q

What does “theory” mean

A

a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.

41
Q

What does “reason” mean

A

a cause, explanation, or justification for an action or event.

41
Q

What does “claim” mean

A

state or assert that something is the case; an assertion of the truth of something

42
Q

What does “bias” mean

A

a systematic distortion of a statistical result due to a factor not allowed for in its derivation; prejudice in favor of or against one thing, person, or group compared with another, usually in a way considered to be unfair.