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.
The experiment is a research method in which the investigator manipulates one or more factors to observe their effect on some behavior or mental process, while controlling other relevant factors. If a behavior changes when we vary an experimental factor, then we know the factor is having a causal effect.