chapter 2 key terms

Question 1

observation

Answer 1

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

Question 2

Hypothesis

Answer 2

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

Question 3

production

Answer 3

The action of making or manufacturing from components or raw materials, or the process of being so manufactured.

Question 4

experiment

Answer 4

A scientific procedure undertaken to make a discovery, test a hypothesis or demonstrate a known fact.

Question 5

variable

Answer 5

Not consistent or having a fixed pattern; liable to change

Question 6

experimental group

Answer 6

In a psychology experiment, the experimental group (or experimental condition) refers to the group of participants who are exposed to the independent variable

Question 7

data

Answer 7

Facts and statistics collected together for reference or analysis.

Question 8

correlation

Answer 8

A mutual relationship or connection between two or more things.

Question 9

statistics

Answer 9

The practice or science of collecting and analyzing numerical data in large quantities, especially for the purpose of inferring proportions in a whole from those in a representative sample.

Question 10

Mean

Answer 10

To calculate the mean you add all the values together and divide by the total number of values

Question 11

Definition

Answer 11

A statement of the exact meaning of a word, especially in a dictionary.

Question 12

probability

Answer 12

The extent to which something is probable; the likelihood of something happening or being the case.

Question 13

sample

Answer 13

A small part or quantity intended to show what the whole is like.

Question 14

risk

Answer 14

Risk is a measure of the probability and severity of adverse effects or the combination of probability of an event and its consequences

Question 15

model

Answer 15

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

Question 16

conceptual model

Answer 16

Abstract, psychological representations of how tasks should be carried out

Question 17

mathematical model

Answer 17

An abstract model that uses mathematical language to describe the behavior of a system.

Question 18

value

Answer 18

The regard that something is held to deserve; the importance, worth, or usefulness of something.

Question 19

decision-making model

Answer 19

Describes the method a team will use to make decisions. The most important factor in successful decision-making is that every team member is clear about how a particular decision will be made