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Ch 16: Processes of Scientific Inquiry and Experimental Design

About This Chapter

Our video lessons introduce you to the processes of scientific inquiry and experimental design. Instructors define and explain the key terms and main ideas associated with scientific research.

Processes of Scientific Inquiry and Experimental Design - Chapter Summary

Watch the video lessons in this chapter to develop an understanding of the considerations, variables and techniques necessary to engage in scientific research. The lessons focus on the concepts underlying good experimental design and examine the process of formulating hypotheses, various research methods and reasoning skills. The specific topics covered in this chapter include:

  • Characteristics of scientific theory
  • Identifying the steps of the scientific method
  • Defining methods of experimental design
  • Discussing research variables, such as dependent, independent and control variables
  • How to formulate the research hypothesis
  • Sampling techniques
  • Differences between inductive and deductive reasoning

These brief, fun-to-watch video lessons simplify learning by breaking down complicated subjects into smaller, easy-to-understand components. Watch the videos as many times as necessary to be sure you fully understand the lessons. Use the self-assessment quizzes and lesson transcripts as additional study aids.

10 Lessons in Chapter 16: Processes of Scientific Inquiry and Experimental Design
What is Scientific Research?

1. What is Scientific Research?

This lesson will discuss important components of scientific research, including the scientific method, peer review, statistical significance, and more!

What is the Scientific Theory? - Definition, Characteristics & Example

2. What is the Scientific Theory? - Definition, Characteristics & Example

In this lesson, you'll learn the definition and characteristics of a scientific theory and understand how theories are formulated. You'll see examples of scientific theories, and after the lesson you can test your knowledge with a brief quiz.

The Scientific Method: Steps, Terms & Examples

3. The Scientific Method: Steps, Terms & Examples

The scientific method is more than just hypotheses and experiments. In this lesson, we'll explore the themes and variations that make up the world of science.

Scientific Experiment: Definition & Examples

4. Scientific Experiment: Definition & Examples

In this lesson, you will learn about the process of a scientific experiment. First the lesson will outline the definition and give a short history of scientific experimentation. Then the types will be described, and finally, an example of a scientific experiment will be provided.

Experimental Design in Science: Definition & Method

5. Experimental Design in Science: Definition & Method

What are the requirements of a scientific experiment? How do scientists turn hypotheses into theories and laws? Learn the answers to these questions and more in this lesson on the design of scientific experiments.

What Are The Different Kinds of Research Methods?

6. What Are The Different Kinds of Research Methods?

This lesson will go over some important research methods, including observation, correlation, and experimentation, as well as examples of each type of methodology.

Research Variables: Dependent, Independent, Control, Extraneous & Moderator

7. Research Variables: Dependent, Independent, Control, Extraneous & Moderator

This lesson explores the terminology of experimental design. What are variables? How do they influence each other? Is it possible that you are seeing connections that don't actually exist?

Formulating the Research Hypothesis and Null Hypothesis

8. Formulating the Research Hypothesis and Null Hypothesis

After figuring out what you want to study, what is the next step in designing a research experiment? You, the researcher, write a hypothesis and null hypothesis. This lesson explores the process and terminology used in writing a hypothesis and null hypothesis.

Sampling Techniques In Scientific Investigations

9. Sampling Techniques In Scientific Investigations

We can learn a lot by gathering information from a small subset of a larger group. By sampling this smaller group, scientists can save time and money while still gaining a good understanding of the population as a whole.

Inductive vs. Deductive Reasoning: Differences & Examples

10. Inductive vs. Deductive Reasoning: Differences & Examples

This lesson explores the difference between inductive and deductive reasoning in the form of psychological experiments. In addition to defining these terms, the lesson gives examples to explain how this reasoning is applied.

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