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Scientific Method

Diagnosis

X-Ray

Bronchiectasis

Experiment

Develop a test to support or not support your hypothesis.

Bronchiectasis is a condition when the walls of your airways become infected and inflammed.

Multiple Tests

The test must be run multiple times.

Independent Variable

Symptoms Include:

  • Foul smelling sputum
  • Green or Yellow sputum
  • Daily cough
  • Wheezing lung sounds
  • Shortness of breath

Must have only 1 independent variable (the factor being tested).

What is a

Experimental and Control

Hypothesis?

Must have 2 setups: “Experimental” (gets the independent variable) and “Control” (does not get the independent variable).

Always start with

The Problem

How Do You

Write a Conclusion?

How can I gather data?

Make Observations

Any use of the senses to gather information.

Qualitative Observations

Anything that you see, smell, touch, taste, or hear.

The problem

identifies what you want to find out

Quantitative Observations

Any observation that can be measured —

must include a number.

Develop a clear statement defining the problem. Make sure your problem is specific.

State whether your hypothesis is supported by your data or not.

1

Research

Restate your original hypothesis.

2

Research the topic you are investigating by using books or the internet (make sure they're reliable sources).

Use exact data to support what you have just written.

3

Ask experts on the subject you are researching.

4

Apply error analysis: Think about what you found out in your research. Consider any improvements to your procedure.

5

Offer explanations for why you think the reults of your experiment are what they are. Ask a new question — what do you want to do next?

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