Final answer:
The claim that integrity tests are ineffective due to people lying is false. Integrity tests incorporate mechanisms such as validity and reliability scales to detect untruthful responses, and while not perfect, there are ways to improve their accuracy.
Step-by-step explanation:
The statement that integrity tests don't work well in practice because so many people lie on them is considered False. While it is a challenge to assess truthfulness and people may provide answers to present themselves in a better light or due to misremembering, this doesn't completely invalidate the effectiveness of integrity tests.
Measures like validity and reliability scales, including the Lie Scale, are implemented in these tests to detect when individuals are being less than truthful.
It's noteworthy that any method of surveying or testing can have biases and might not be able to perfectly capture how people behave in real life, due to varied reasons such as statistical fraud, biased samples, or people's tendencies to respond in socially desirable ways.
Large sample sizes, access to more data, and the use of accuracy nudges can improve the reliability of tests and surveys, helping to mitigate issues associated with truthfulness.