Chapter 1 Flashcards
opinion
the personal belief or viewpoint of an individual which typically has not been verified as fact
controlled experiment
an investigation into the effect of an independent variable on a dependent variable, while keeping all other factors constant
reliable
describes an experiment, tool or measurement that produces similar results when repeated and reproduced
bias
an inclination to favour a particular position or outcome
error
differences between observed values and the true value
Country
an area that is traditionally own and looked after by an Aboriginal language group or community, or by certain people within that group. The term may indicate more than simple a geographical area - it is also a concept that can encompass the spiritual meaning and feelings of deep connection and attachment associated with that area.
hypothesis
a testable statement that describes how experimenters expect the dependent variable to change as the independent variable changes
research question
a testable, achievable, and specific question that an investigation sets out to answer
aim
the objective of an investigation or experiment
dependent variable (DV)
the factor/s measured in the experiment that are changed when the IV is manipulated
independent variable (IV)
the factor/s that is/are manipulated in an experiment
controlled variable
a factor that is kept constant throughout the experiment. Also known as a constant variable
uncontrolled variable
a factor that is not kept constant or accounted for throughout the experiment. Also known as an extraneous variable
methodology
the strategy or overarching framework followed in a scientific investigation
method
the steps followed in a scientific investigation
repeatable
an experiment/ measurement in which scientists, using the methods they designed, can obtain the same result multiple times
reproducible
an experiment/ measurements in which a group of scientists, using methods designed by others, can obtain the same results as another group’s experiment
vaild
a measurement or experiment that actually tests what it claims to be testing
experimental group
a group of individuals/samples in which the independent variable is manipulated. Also known as the treatment group
control group
a group of individuals/samples that are not exposed to the independent variable. Also known as the experimental control, control treatment, or the control
placebo
a substance that has no active ingredients or side effects