Hey all, and welcome back to our discussions on Statistics for the Social Sciences! Today's episode (and the next one) are two of the most critical for this class--I've called Week 10 the Heart of this Course for a reason! In this episode, we will start with a review of probability and the normal curve. It's been a bit since we talked about that material so a short review is hopefully helpful. But then it's on to the big new concept of this week: statistical significance. Statistical significance is all about whether what we find in our sample is due to chance or whether something else is going on... or in short, it's going to give us a sense of whether our independent and dependent variable really are related to one another. How? We use hypothesis testing and the results of our testing to determine that answer. Our next episode will walk us through the steps of hypothesis testing in more depth but for this episode I would ask that you focus on getting a sense of what statistical significance and practical significance mean. And of course, let me know when you have questions on these concepts!

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