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WE'RE BACK!

October 2025 lilbrary presentations return for another season of lively multi-media presentatioins on "ghost hunting" with from a skeptical viewpoint, including high-tech pseudoscience, skeptical inquiry, critical and thinking pitfalls like cognitive biases. Free admission and open to the pubic. Note: Portions of this presentation may not be suitable for very young audiences.

When and where?

Oct. 21, 6-8pm

Kensington Branch Library

4121 Adams Ave, San Diego, CA 92116

Oct. 28, 5:30-7:30pm

Paradise Hills Branch Library

5922 Rancho Hills Dr, San Diego, CA 92139

honoring the heroes of

skeptical inquiry

False Positive: When an event of interest is misidentified as "proof" or "evidence" of a paranormal claim, but it is later discounted or explained through ordinary causes, it is recognized to have been a false positive.

click for team bios

Class B EVP

Class B EVPs suffer from an identity crisis, fraught with credibility issues and doubt. As such, they're easy to misclassify. In fact, the uncertainty about so many Class B EVPs has raised many a debate as to whether or not another system for classification should be used....

PPI Podcast #10: Evidence Analysis (2011)

Part 3 of our presentation: Science & Beyond - A Look at the Science Behind 21st Century Paranomrmal Investigation - is entitled Evidence Analysis - Wrong Thinking, Seeing Ain't Believing and Can You Hear Me Now? Presented by PPI President Karl Sherlock.

Recorded October 11, 2011

Length: 00:35:48