Experimental Design Vocabulary

Fill in the blank: Randomized block design: The _______ assignment of experimental units to treatments is carried out ______ within each ________.

• block, separately,block

• Random, separately, block

• random, together, block

• matching pair,sepearatly,experimental unit

Tags

CCSS.RI.11-12.4

CCSS.RI.7.4

CCSS.RI.8.4

CCSS.RI.9-10.4

CCSS.RI.9-10.4

Fill in blank: Matched pairs design: is a ______ block experiment in which each _____ consist of a _______ or similar experimental units.

• randomized, unit, similar

• randomized, block, matching pair

• random, block, separate block

• randomized, experiment, matching pair

Tags

CCSS.RI.11-12.4

CCSS.RI.7.4

CCSS.RI.8.4

CCSS.RI.9-10.4

CCSS.RI.9-10.4

Fill in the blank: Completely randomized design: the treatments are _______ to all the experimental units _______ by _____.

• assigned, completely, chance

• blocked, separately, pairs

• randomized, separately, chance

• assigned, separately, chance

Tags

CCSS.RI.11-12.4

CCSS.RI.7.4

CCSS.RI.8.4

CCSS.RI.9-10.4

CCSS.RI.9-10.4

Census

• Collects data from every individual in the population

• Collects data on who is the easiest to reach

• Collects data on volunteers that respond to a general invitation

• Collects data from selected neighborhoods in the population

Tags

CCSS.RI.11-12.4

CCSS.RI.7.4

CCSS.RI.8.4

CCSS.RI.9-10.4

CCSS.RI.9-10.4

Blind experiment

• Uses chance to assign experimental units to treatments

• a group of experimental units

• neither the subject nor those who interact with them know which treatment a subject received

• the individual does not know which treatment they are assigned

Tags

CCSS.L.11-12.4C

CCSS.L.6.4C

CCSS.L.7.4C

CCSS.L.8.4C

CCSS.L.9-10.4C

Statistically significant

• Collects data from a large amount of people

• An observed effect so large that it would rarely occur by chance.

• The treatment given to a subject is large

• imposes some treatment on individuals

Tags

CCSS.RI.11-12.4

CCSS.RI.7.4

CCSS.RI.8.4

CCSS.RI.9-10.4

CCSS.RI.9-10.4

Experiment

• dummy or inactive treatment

• inactive or baseline treatment

• occurs when two variables are associated in such a way that their effects cannot be distinguished

• imposes some treatment on individuals to measure their response

Tags

CCSS.L.11-12.4C

CCSS.L.6.4C

CCSS.L.7.4C

CCSS.L.8.4C

CCSS.L.9-10.4C

Subjects

• receives an inactive or baseline treatment

• When you observe humans

• When the experimental units are human

• a specific condition applied to the individuals in an experiment

Tags

CCSS.L.11-12.4C

CCSS.L.6.4C

CCSS.L.7.4C

CCSS.L.8.4C

CCSS.L.9-10.4C

Observational study

• observes individuals, but does not attempt to influence their response

• imposes some treatment on individuals to measure their response.

• a specific condition applied to the individual in an experiment

• when the experimental units are human

Tags

CCSS.RI.11-12.4

CCSS.RI.7.4

CCSS.RI.8.4

CCSS.RI.9-10.4

CCSS.RI.9-10.4

Control group

• smallest group of individuals to which treatment is applied

• receives an inactive or baseline treatment

• a dummy or inactive treatment

• a group of experimental units

Tags

CCSS.L.11-12.4C

CCSS.L.6.4C

CCSS.L.7.4C

CCSS.L.8.4C

CCSS.L.9-10.4C