Answer:
Multiple treatment interference.
Explanation:
<em>Multiple treatment interference</em> is the name of the threat that reminds researchers that the research results for the last reward system may not generalize to the population of workers. This is because of multiple treatment interference threatens the internal validity of an experimental or quasi-experimental design. There is difficulty in assigning variance to one of the reward systems.
<span>Athletes often attribute their losses to bad officiating. This best illustrates the self-serving bias. </span>
<span>Self-serving bias is a perception or thinking by someone that distorts reality to make sure they have a high self-esteem. They want to perceive themselves in a favorable way, so instead of taking initiative for why they lost, it's easier to place blame than accept reality.
</span>
Writing is important because it lets us communicate reliably with people who are not in the same room at the time: we can leave messages for next generations, we can give instructions to others.
To make writing possible, we need a writing system so that writing can be learnt and taught, and can be a skilled shared by people!
