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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

Controls: Just as scientists and researchers attempt to put parameters on their experiments in order to limit such factors as margin of error and unreliability, PPI investigators will exact such controls on the environment of the investigation so that our analysis will lead to more reliable results. Controls may be as simple as limiting the number of individuals within the venue, to more sophisticated matters such as triangulation of audio sources. Controls are considered an essential feature to any application of the Scientific Method.

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Audible Voice Phenomena

AVP. Audible Voice Phenomena. Are they really from beyond the grave? Regardless of how you value them, a little knowledge about the most common varieties of them and the issues that should be addressed with them will go a long way to making your account of your investigation something others can depend on....

Interview with Karl Sherlock

PPI President and Co-Director Karl Sherlock gave this interview for a journalism student at Grossmont College who was interested in paranormal investigation. The interview took place in April 2013.

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Audible Voice Phenomena

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Interview with Karl Sherlock

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