The phrase "reciprocal help" is correct and usable in written English.
It is a phrase that can be used to refer to a situation in which two people help each other in a mutually beneficial way. For example: "My neighbor and I often provide reciprocal help, such as mowing each other's lawns or sharing tools and equipment."
If we instead assume vampire bats can discriminate among kin, but do not exhibit reciprocity, then it is difficult to explain why reciprocal help, but not kinship, predicts food sharing under captive conditions unless long-term captivity somehow disrupts natural kin discrimination behavior.
But no less important was the practical action in living by the virtues taught by him and in honouring the obligations of reciprocal help in the name of friendship.
Under these conditions, we found that reciprocal help, but not kinship, predicted food sharing.
Therefore, the roles of reciprocal help and kinship could not be tested simultaneously in the original study.
Reciprocal help (averaged over all trials) predicted food sharing better than past help (in recent previous trials).
Large-scale collective work arrangements such as mutirões and reunidas became rare and day-labor exchange (troca de dia) came to be the most common form of reciprocal help.
This result would suggest that subordinate helping pays for both the opportunity to reproduce and some level of reciprocal helping by the dominant.
Furthermore, unless there is a reciprocal helping relationship or additional resources and support, shifting work from higher to lower-skilled groups can lead to excessive workloads for the latter and fuel the perception that one group is off-loading tasks onto another [ 160, 161].
However, we did find evidence of reciprocal benefits – help in exchange for opportunities to reproduce.
If the relationship develops in a positive manner, reciprocal interactions help the Philippine migrant care workers avoid burnout, as there is no aspect of depersonalization, no role conflict, and no sense of helplessness, all of which might have contributed to burnout.
What Ginsberg called "the secret knowledge of reciprocal depths" helped bind them.
