- respondent conditioning,
- response generalization,
- response time,
- response variable
Origin of responder
Examples from the Web for responder
One responder accused me of not even knowing what racism is.
Social media have created a platform for every single American to become a “virtual first responder,” in word, donation, or deed.
A first responder pushed a wheelchair-bound woman to safety and then returned to the carnage.Boston Marathon Explosions: The Heroes Who Responded to the Blasts|Nina Strochlic|April 16, 2013|DAILY BEAST
I am told that the first responder who found her looked into her eyes and told her ‘your parents love you.’New Details Are Released About Contents of the Lanza House|Michael Daly|March 28, 2013|DAILY BEAST
“First of all, you are not going to die,” counseled the first responder, Calimhero.Reddit Enlists 10,000 Volunteers to Prevent Suicides … They Hope|Jesse Singal|March 8, 2012|DAILY BEAST
1845 of devices, 1871 of persons, agent noun from respond (v.).