2 : material used to enclose or contain something â¦ the flashy packaging popularized by mass merchants. â Jan Stafford; also : a covering wrapper or container : 1package 3 the manufacture of food packagings.
experimental condition. n (Statistics) one of the distinct states of affairs or values of the independent variable for which the dependent variable is measured in order to carry out statistical tests or calculations, (Also called) condition.
Experiments: Summary. 1  The defining characteristics of experiments are manipulation and control. The independent variable (also known as the experimental variable) is either manipulated by the experimenter, or the experimenter takes advantage of a natural manipulation (quasi-experiment). When an extraneous variable is the source of the outcome, then the experimental treatment is said to be confounded.