1. Introduction  
2. The Asymmetric Continuum Bias  
3. Sample Simulation  
4. Narrow-Band Filters  
4.1. Ideal Rectangular Filter  
4.2. Subaru Filter  
5. Tunable Filters  
5.1. OSIRIS Tunable Filters  
5.2. OSIRIS-TF Pilot Observations  
6. Subaru, HST, and Spitzer Archive Data  
6.1. Subaru Observations  
6.2. HST Observations  
6.3. Spitzer/IRAC Observations  
6.4. SEDs and Photometric Redshifts  
7. Discussion  
7.1. Insights from Simulated Data  
8. Conclusions