Only 16.35% in the negative framing chose the safeprogram. A chi-square test revealed a significant difference.
负面框架组的被试，只有16.35%选择保守方案，差异有统计学意义。
2
Refactoring is a safeprogram restructuring technique that can guarantee the restructured program to preserve the behavior of the original program.
重构是一种安全的重建技术，它可以使被重建程序保持重建前程序的行为不变。
3
In a thread-safeprogram, only one writing thread can modify the variable; other threads can read the up-to-date value by declaring the variable volatile.