Answered

Get the answers you need at Westonci.ca, where our expert community is always ready to help with accurate information. Discover the answers you need from a community of experts ready to help you with their knowledge and experience in various fields. Our platform provides a seamless experience for finding reliable answers from a network of experienced professionals.

Confounding
is a technique in which a subject doesn't know whether he or she is receiving a treatment or a placebo.
occurs in an experiment when you are not able to distinguish among the effects of different factors.
is the repetition of an experiment on more than one subject.
is used when subjects are assigned to different groups through a process of random selection.

Sagot :

Occurs in an experiment when you are not able to distinguish among the effects of different factors.
Thank you for choosing our service. We're dedicated to providing the best answers for all your questions. Visit us again. Thank you for your visit. We're committed to providing you with the best information available. Return anytime for more. We're dedicated to helping you find the answers you need at Westonci.ca. Don't hesitate to return for more.