oven heater burning but not heating or baking

https://dengarden.com/appliances/WHY-YOUR-OVEN-DOESNT-HEAT-OR-HEAT-CORRECTLY
http://www.selfhelpandmore.com/appliances/how-to-fix-your-electric-oven.php
http://www.partselect.com/Repair/Range-Stove-Oven/No-Heat-When-Baking/
http://products.geappliances.com/appliance/gea-support-search-content?contentId=16242
https://www.repairclinic.com/RepairHelp/How-To-Fix-A-Range-Stove-Oven/11---/Oven-not-heating
http://products.geappliances.com/appliance/gea-support-search-content?contentId=16242
http://www.partselect.com/Repair/Range-Stove-Oven/Will-Not-Start/