Online College Courses for Credit


Internal and External Validity

Statistical findings can be accurate yet invalid. As a key component to Statistics, our Internal and External Validity topic is designed to increase proficiency in methods, techniques and applications used to determine validity. Discover how the experimenters themselves can inadvertently contaminate data in Experimenter Bias. Explore how the subjects may unintentionally impact experiments in Placebo Effect. Whether the focus is Double Blind Experiments, Evaluating Between Group Designs or Confounding Variables, this course covers a wide range of concepts and methods that apply multiple areas of specialization.

Sophia's Common Core-Aligned Pathways and Tutorials

We want to make it simple for you to begin integrating Common Core-Aligned Lessons into your classroom Our Math Pathways feature in-depth, relevant content that aligns to these new standards. As an added benefit, these Pathways use Sophia’s Many Ways To Learn, an innovative approach that features multiple instructors and teaching techniques to connect with all kinds of learning styles.

Mathematics Courses for College Credit

Sophia College Courses are low-cost, self-paced, credit-carrying courses eligible for transfer to many different colleges and universities.*

College Algebra

Study fundamental topics in college-level algebra with emphasis on application.

Introduction to Statistics

Grasp core concepts of statistics such as probability distributions, approximations, and hypothesis-testing.

Pathways that Teach Internal and External Validity

Pathways are a sequence of tutorials that help you learn a whole subject area, one concept at a time. Choose from multiple teachers and teaching styles.
Internal and External Validity Pathway
Concepts: 18
Quiz Points: 270
The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 27 of Sophia's online courses for college credit. These courses are eligible to transfer to many different colleges and universities.