After each volunteer had bid for 300 items, one bid was taken and compared with a counterbid generated at random by a computer.
每次实验志愿者都得对300个物品进行出价，出的每一次价都会跟电脑随机产生的价格进行比较。
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'We suspect a counterbid may soon be on the way, if not at least to muddy the waters and raise the price for Kraft, ' wrote Shore Capital analyst Darren Shirley in a research note Monday morning.