Question

question 4 define factor. choose the correct answer below. grouping together similar experimental units an innocuous medication, such as a sugar tablet, that looks, tastes, and smells like the experimental medication a variable whose effect on the response variable is to be assessed by the experimenter a controlled study to determine the effect varying one or more explanatory variables or factors has on a response variable question help: message instructor 0/1 pt 100 details

Explanation:

A factor in an experiment is a variable whose effect on the response variable is to be assessed by the experimenter. A controlled study to determine the effect of varying one or more explanatory variables or factors on a response variable is a general description of an experimental - design concept. An innocuous medication like a sugar tablet that looks, tastes, and smells like the experimental medication is a placebo. Grouping together similar experimental units is called blocking. The correct definition of a factor is a variable whose effect on the response variable is to be assessed by the experimenter.

Answer:

A variable whose effect on the response variable is to be assessed by the experimenter