This lecture aims to provide an understanding of lying by exploring its meaning, reasons why people lie, and the psychology behind it. Lying is defined as being untruthful or dishonest and deceiving others. Common reasons people lie include society sometimes rewarding deception, and certain occupations requiring elements of deception. Psychologically, most people lie 1-2 times per day, and people deceive in about 20% of long social interactions. In interviews specifically, candidates may lie because they need a job but lack qualifications, or believe they can learn skills on the job.