Unit 1 Exp Design PZH

Question 1

Testable

Answer 1

able to be tested or tried.

Question 2

Non-testable

Answer 2

not capable of being tested

Question 3

Quantitative

Answer 3

relating to, measuring, or measured by the quantity of something rather than its quality.

Question 4

Qualitative

Answer 4

relating to, measuring, or measured by the quality of something rather than its quantity.

Question 5

Trials

Answer 5

a test of the performance, qualities, or suitability of someone or something.

Question 6

Observation

Answer 6

the action or process of observing something or someone carefully or in order to gain information.

Question 7

Empirical evidence

Answer 7

A belief may be said to be justified if there is sufficient evidence to make holding the belief reasonable.

Question 8

Data

Answer 8

facts and statistics collected together for reference or analysis.

Question 9

Model is science

Answer 9

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

Question 10

Analogy

Answer 10

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

Question 11

Prototype

Answer 11

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

Question 12

Hypothesis

Answer 12

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

Question 13

Variable

Answer 13

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

Question 14

Procedure

Answer 14

an established or official way of doing something.

Question 15

Precision

Answer 15

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

Question 16

Accuracy

Answer 16

the quality or state of being correct or precise.

Question 17

Scientific method

Answer 17

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.

Question 18

Control

Answer 18

the power to influence or direct people’s behavior or the course of events.

Question 19

Constant

Answer 19

occurring continuously over a period of time.

Question 20

Predict

Answer 20

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

Question 21

Infer

Answer 21

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

Question 22

Independent variable

Answer 22

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

Question 23

Dependent variable

Answer 23

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

Question 24

Manipulated variable

Answer 24

part of an experiment that you can change to see how other variables respond …

Question 25

Responding variable

Answer 25

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

Question 26

Sample size

Answer 26

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

Question 27

Validity

Answer 27

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

Question 28

Trends in data

Answer 28

a general change in one variable compared to another over a period of time

Question 29

Correlation

Answer 29

a mutual relationship or connection between two or more things.

Question 30

Variability

Answer 30

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

Question 31

Mass

Answer 31

the quantity of matter within a given object

Question 32

Volume

Answer 32

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

Question 33

Weight

Answer 33

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.

Question 34

Percent

Answer 34

by a specified amount in or for every hundred.

Question 35

Bar graph

Answer 35

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

Question 35

Rate

Answer 35

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

Question 36

Ratio

Answer 36

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

Question 37

Line graph

Answer 37

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

Question 38

Pie graph

Answer 38

a type of graph representing data in a circular form, with each slice of the circle

Question 39

Scatterplot

Answer 39

another term for scatter diagram.

Question 40

Claim

Answer 40

state or assert that something is the case, typically without providing evidence or proof.

Question 41

Evidence

Answer 41

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

Question 42

Reason

Answer 42

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

Question 43

Theory

Answer 43

a set of principles on which the practice of an activity is based.

Question 44

Bias

Answer 44

prejudice in favor of or against one thing, person, or group compared with another, usually in a way considered to be unfair.