Face to face channel is a concept in sociology, linguistic, media and communication studies describing social interaction carried out without any mediating technology. The is what the word means
When a purchasing agent performs a straight rebuy, he/she is in a situation where the same products or services are bought over and over again on a relatively steady basis.
The products and services purchased are also simple and common products or services, nothing very complex or specialized that requires looking for new information or investigating who the best vendor might be.
High outcome interpendence is a concept that encourages cooperation between members on a team. It shows that if a team wins all members will benefit, and if the team fails all members will be adversely affected.
In this scenario Wyatt who is a slacker in the team of Nick will stand to gain more.
In a high outcome interpendence scenario Nick will be forced to improve on the performance of Wyatt in order to meet team objectives.
The other average workers will only gain a little from increased cooperation.