…………………….variables are undesirable because they add error to an experiment.

Related MCQs

• ………………..error is known as non- cumulative error.
• ………………. Are the variables that may have some affects upon a dependent variable but yet are not independent Variables.
• In experiment the ………… group get the program.
• The process of selecting a number of participants for a study in such a way that they represent the larger group from which they were selected is known as
• If the standard error of the population is reduced by 50 per cent, the sample size becomes
• A hypothesis is a …… about the predicted relationships among events or variables
• …………….. Research seeks to find cause and affect relationships between variables.
• ………….research seeks to find cause and affect relationships between variables.
• When the study is related with more than two variables it is termed as ……………. Analysis.
• Nominal variables allow for ………….. classification.