Experimental Design MC

Three principles of experimental design include all of the following except:

• control

• replication

• random assignment

• blocking

Tags

CCSS.HSS.IC.B.3

Which of the following is not required in an experimental design:

• blocking

• random assignment

• control

• replication

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CCSS.HSS.IC.B.3

A study used to get convincing evidence of a cause and effect relationship.

• prospective observational study

• survey

• experiment

• retrospective observational study

"__________" are valuable for discovering trends and possible relationships

• observational studies

• surveys

• experiments

• tests

Tags

CCSS.HSS.IC.B.3

An experiment must have how many explanatory variables?

• one

• two

• none are required, only a response variable

• two or more

Tags

CCSS.HSS.IC.B.3

the tendency of many human subjects to show a response even when administered a placebo

• margin of error

• administration error

• response bias

• placebo effect

We deliberately impose some treatment on (that is, do something to) individuals in order to observe their responses.

• Experiment

• Experimental unit

• Subject

• Treatment

Tags

CCSS.HSS.IC.B.3

Humans in an experiment

• subjects

• units

• blinded

• volunteers

A specific experimental condition applied to the units

• cats

• control

• treatment

• blinding

A group of experimental units or subjects that are known before the experiment to be similar in some way that is expected to systematically affect the response to the treatments

• blocking

• dog kennels

• lily ponds

• blinding

Tags

CCSS.HSS.IC.B.3