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Unit: Study design

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Possible mastery points

Introduction to planning a study

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Practice

Identify the population and sampleGet 3 of 4 questions to level up!
Generalizability of resultsGet 5 of 7 questions to level up!
Types of studiesGet 3 of 4 questions to level up!

Potential problems with sampling

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Practice

Bias in samples and surveysGet 5 of 7 questions to level up!

Quiz 1

Level up on the above skills and collect up to 320 Mastery points

Sampling methods

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Practice

Simple random samplesGet 3 of 4 questions to level up!
Sampling methodsGet 5 of 7 questions to level up!
Sampling method considerationsGet 3 of 4 questions to level up!

Quiz 2

Level up on the above skills and collect up to 240 Mastery points

Introduction to experimental design

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Practice

Experiment designsGet 3 of 4 questions to level up!
Experiment design considerationsGet 3 of 4 questions to level up!

Inference and experiments

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Practice

Conclusions in observational studies versus experimentsGet 5 of 7 questions to level up!
Finding errors in study conclusionsGet 3 of 4 questions to level up!

Quiz 3

Level up on the above skills and collect up to 320 Mastery points

Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 1100 Mastery points!

About this unit

Statistics is all about forming questions and gathering data to explore those questions. This unit connects these questions to aspects of research design, including sampling and survey methods, observational studies, and basic experiment design.