Although newspapers reported that a murder victim had been stabbed with a knife,two police investigators knew that the actual murder weapon was a letter opener.While carefully monitoring the changes in heart rate and perspiration level of a prime suspect,the investigators asked him if he typically used a letter opener on his mail.The investigators were making use of the

Question

Quizplus · Accepted Answer

The investigators were using the Concealed Information Test, which involves asking questions that only a guilty individual would know the answer to, in order to determine the suspect's guilt or innocence. This type of test is often used in cases where the investigators have information that is not yet public knowledge, such as the use of a letter opener as the murder weapon in this case. The other options, two-factor theory, James-Lange theory, and spillover effect, are not relevant to this scenario.

Although Newspapers Reported That a Murder Victim Had Been Stabbed