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Research Study Design Concepts

Research Study Design Concepts

Assessment

Interactive Video

Mathematics, Science, Performing Arts

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video explains the differences between observational studies and experiments, highlighting key terms like variables and factors. Observational studies involve observing subjects without manipulation, while experiments involve manipulating factors to determine causality. The video also discusses types of observational studies, such as retrospective and prospective, and provides examples to illustrate the concepts. It concludes with a summary of the key points, emphasizing that experiments can prove cause and effect, unlike observational studies.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term used for the people chosen to be examined in a study?

Experimental Units

Subjects or Participants

Factors

Variables

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In an observational study, what is the role of the researcher regarding the variables?

Manipulate the variables

Observe without manipulation

Ensure causality

Assign factors to participants

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a key limitation of observational studies?

They always involve human subjects

They require a large number of participants

They cannot determine causality

They are expensive to conduct

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In an experiment, what is the purpose of manipulating factors?

To observe natural behavior

To determine causality

To collect retrospective data

To avoid lurking variables

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What distinguishes a retrospective study from a prospective study?

Retrospective studies collect data from the past

Prospective studies do not involve human subjects

Prospective studies manipulate variables

Retrospective studies are more accurate

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a prospective study, how is data collected?

Through random assignments

By manipulating variables

As events unfold

From historical records

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of an experiment?

Assigning specific library hours to students

Surveying people's singing habits

Observing students' library usage

Collecting past data on medication use

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