Ch 3: Collecting Scientific Data

About This Chapter

Reinforce your knowledge of methods for collecting scientific data using these short video lessons. This chapter can support your studies in a current science course, satisfy continuing education requirements or prepare you for class, college entrance or professional certification exams.

Collecting Scientific Data - Chapter Summary

How do you maintain scientific data integrity? Which analytical tools are best used for scientific tests and data collection? What is qualitative research? Explore the answers to these questions and more when you review the lessons in this short chapter. Each lesson contains definitions and examples to help you fully understand the material being discussed. Once your review of chapter is complete, you should be able to:

  • Identify appropriate tools used for collecting and testing scientific data
  • Describe techniques you can use to ensure the integrity of scientific data
  • Define qualitative research and list sources for it
  • Discuss quantitative data and its usefulness
  • Determine sample size for any given scientific data collection project

Lessons present each topic with easy-to-follow language and examples are accessible at any time, from any device. Watch the videos as many times as needed or print lesson transcripts to create handy reference tools. Determine how much you have retained or your need to continue your review by taking self-assessment quizzes for each lesson.

5 Lessons in Chapter 3: Collecting Scientific Data
Test your knowledge with a 30-question chapter practice test
Using Appropriate Tools for Scientific Tests & Data Collection

1. Using Appropriate Tools for Scientific Tests & Data Collection

A properly run experiment depends on using the right tools, both for data collection and analysis. In the end, it will save you time, money and frustration to spend some time planning out which tools are most appropriate for your work.

Techniques to Maintain Data Integrity from Scientific Instruments

2. Techniques to Maintain Data Integrity from Scientific Instruments

In order to be a good scientist, you have to make sure that your data is worthwhile. But how can you be sure of that? This lesson goes over many of the techniques you can use to be sure that your data is both accurate and precise.

What is Qualitative Research? - Definition, Sources & Examples

3. What is Qualitative Research? - Definition, Sources & Examples

Sometimes research does not involve simple numbers that you can analyze. When that happens, where do researchers get their data? In this lesson, we'll look at qualitative data and the major sources of it.

What is Quantitative Data? - Definition & Examples

4. What is Quantitative Data? - Definition & Examples

Watch this video lesson to find out the difference between saying you have seven apples and saying that those apples are delicious. You will learn about quantitative data and why it is useful.

How to Determine Sample Size

5. How to Determine Sample Size

How many subjects should a researcher use in his or her experiment? In this lesson, we'll examine the elements that go into sample size, including how to figure out how big a sample should be and what real-world issues influence sample size.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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