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.
A type of design in which both the subjects and the experimental staff are unaware of the level of the treatment administered to the subject, and whether the subjects received a placebo. experiment. A method of collecting data in which the researcher exerts control over the subjects or units in the study.