So, you can learn from Scott Barkley that there are only two reversal patterns: a wedge and a head-and-shoulders, and all other patterns are continuation patterns.

Then you might decide to educate yourself further, and start reading my blog to find out, that there is only one reversal pattern, an RSI2 reversal divergence. The difference between the two patterns mentioned earlier, is that the wedge comes with a the RSI2 divergence between the last two fractals while the H&S has an RSI2 divergence between the right shoulder and the left shoulder.