ch 2 Flashcards
Observation
An act or instance of noticing or perceiving
Hypothesis
A tentative statement about the relationship between two or more variables
Prediction
A statement of the expected results of the experiment based on the hypothesis
Experiment
A scientific test in which you perform a series of actions and carefully observe their affects
Variable
Anything that can change or be changed
Experimental Group
To the group of participants who are exposed
Control Group
the standard to which comparisons are made in an experiment
Data
an interdisciplinary field of study that uses data for various research and reporting purposes to derive insights and meaning out of that data.
Correlation
a measure of the extent to which two variables are related
Statistics
the science concerned with developing and studying methods for collecting, analyzing, interpreting and presenting empirical data
Mean
most common type of average we use.
Distribution
The specific location or arrangement of continuing or successive objects or events in space or time
Probability
used to measure the chance or likelihood of an event to occur
Sample
a subset containing the characteristics of a larger population
Risk
Risk is the combination of probability of an event and its consequences
Model
a physical and/or mathematical and/or conceptual representation of a system of ideas, events or processes
Conceptual Model
used as intermediate artifact for system construction.
Mathematical Model
a process of encoding and decoding of reality,
Value
denotes objective things, states, processes, or qualities that are approved, desired, or found worthy by at least one valuer
Decision-Making Model
a way to visualize the sequences of events that can occur following alternative decisions
