Stats 4.2 - 4.3 Quiz Review

In this type of experiment, neither the subjects nor those who interact with them and/or measure the response variable know which treatment a subject received.

• Matched-Pair Experiment

• Double-Blind Experiment

• Placebo Effect

• Treatment

The individuals or items to which treatments are applied.

• Explanatory Variable

• Response Variable

• Experimental Units

• Confounding Variable

A factor that could potentially be influencing the outcome in an experiment or study, but is not officially being tested

• Experimental Units

• Explanatory Variable

• Response Variable

• Confounding Variable

The process of drawing conclusions about a population on the basis of sample data.

• Inference

• Treatment

• Response Variable

• Explanatory Variable

The response to a dummy treatment

• Response Variable

• Inference

• Treatment

• The Placebo Effect

The factor being studied in an experiment that causes or predicts changes in the outcome

• Experimental Units

• Explanatory Variable

• Response Variable

• Confounding Variable

A specific condition applied to the individuals in an experiment

• The Placebo Effect

• Explanatory Variable

• Treatment

• Inference

The factor that measures the outcome of an experiment or study.

• Response Variable

• Explanatory Variable

• Inference

• Treatment

A common type of randomized block design for comparing two treatments in which similar experimental units are paired before randomly assigning them to different treatment groups.

• Matched-Pair Experiment

• Double-Blind Experiment

• Treatment

• Random Sampling

Experimental units are assigned to treatment groups by a chance process

Identify which of the four principles of experimental design (Comparison, Random Assignment, Control, Replication) is being described.

• Comparison

• Random Assignment

• Control

• Replication