Unit 1 List 2 Experimental Design

Question 1

claim

Answer 1

a generalization based on a reported statistically significant effect.

Question 2

Constant

Answer 2

The factors that do not change during the experiment

Question 3

Evidence

Answer 3

information collected via rigorous scientific methods that changes their belief in the truth of factual claims of the first to the fourth.

Question 4

Experimental bias

Answer 4

the unintentional influence of the experimenter’s expectations, beliefs, or preconceived notions on the outcome of a study or research experiment.

Question 5

Experimental control

Answer 5

an element that remains unchanged or unaffected by other variables.

Question 6

Experimental procedure

Answer 6

the manner in which an experiment is carried out.

Question 7

Hypothesis

Answer 7

an assumption, an idea that is proposed for the sake of argument so that it can be tested to see if it might be true

Question 8

Manipulated variable

Answer 8

a factor that is purposefully and specifically changed by the experimenter.

Question 9

Qualitative data

Answer 9

data representing information and concepts that are not represented by numbers

Question 10

Quantitative data

Answer 10

measures of values or counts and are expressed as numbers

Question 11

Reason

Answer 11

the ability to recognize and understand the scientific method, concepts, processes, and applications used in the pursuit of knowledge.

Question 12

Responding variable

Answer 12

what the scientist measures as a result of the test variable

Question 13

Scientific method

Answer 13

making an observation, forming a hypothesis, making a prediction, conducting an experiment and finally analyzing the results.

Question 14

Scientific model

Answer 14

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

Question 15

Scientific question

Answer 15

where an investigation can be designed and completed to find out the answer without having to do multiple, entirely different investigations to get there.

Question 16

Scientific theory

Answer 16

a well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment.

Question 17

Trends in data

Answer 17

the general change in a variable with time

Question 18

Valid experiment

Answer 18

relates to the experimental method and how appropriate it is in addressing the aim of the experiment