Psychologist Nina Strohminger at the University of Pennsylvania, who was not involved in the study, says she wants the effect to be real but cannot rule out some unknown confounding variable.

没有参与这项研究的宾夕法尼亚大学心理学家尼娜·施特罗明格指出，她希望这种影响是真实的，但不能排除一些未知的混杂变量。

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To accomplish these objectives, we need to make only one rule in our programming: Assign a value to a variable only once and NEVER MODIFY IT!

为了达成这些目标，我们只需要在程序设计中制定一个规则：一个变量只赋值一次，而且永远不再修改它！

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Figure 4 shows the variable section from a rule set editor.

图4显示了规则集编辑器的变量部分。

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As a rule of thumb, you can control one variable in your business: you.

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These leaders are doing something important in helping to hammer out the missing variable in job creation, good money, and creating a forum where the proponents of the Taylor Rule and the proponents of the gold standard can make their respective cases.

FORBES: It's Time For An American Economic Miracle: Good Money, Good Jobs