Nello: Ad Behaviour & Psychology

The psychology:This leverages the Past-Self Open principle by tapping into the viewer's natural interest in personal transformation or long-term results. It activates the Completion Bias, as viewers want to see what happened over that year, and the Authority Transfer, since the speaker positions themselves as someone with firsthand experience. Together, these principles compel the viewer to stay engaged to learn the outcome of this long-term commitment.

The psychology:This leverages the Specificity Bias by concretely linking cortisol to both emotional and physical effects, making the topic feel more tangible and credible. It also uses the Domain Framing principle by situating the discussion within a physiological and health context, orienting the viewer's understanding. Together, these principles engage the viewer's attention by clarifying the video's focus and relevance.

The psychology:This leverages the principle of Surface Problem by presenting a straightforward, relatable issue that immediately resonates with viewers who have experienced similar frustrations. It also taps into the Recognition Bias, as viewers recognize the problem as one they might be facing themselves, which hooks their attention and primes them to seek a solution. By clearly articulating the problem, it creates cognitive tension that motivates continued engagement.

The psychology:This leverages the Hidden Problem principle by uncovering a subtle but impactful issue that the viewer likely hasn't considered, creating cognitive tension and deepening engagement. The Risk Exposure principle is also at play, as it reveals vulnerability to ongoing health risks from prolonged cortisol elevation, which the viewer may not have noticed. Together, these principles heighten the viewer's concern and motivation to learn more or take action.

The psychology:This leverages the Contrast Effect by highlighting a stark difference between two states, making the improvement more salient. It also uses Social Proof implicitly, as the speaker's personal testimony acts as evidence that the product works. Together, these principles engage the viewer's attention and build trust, making them more receptive to the message.

The psychology:This leverages Specificity Bias by naming exact ingredients, which increases credibility and trust. The Explanation Effect operates here by clarifying how these components function together, satisfying the viewer's need for understanding. Additionally, the Embodied Cognition principle is engaged as the speaker references a felt experience, making the benefit more vivid and believable, which deepens viewer engagement.

The psychology:This leverages the Ease Principle by offering a simple, low-effort solution that reduces decision fatigue. It also taps into the Authority Transfer principle by implying that this specific product is a trusted or expert-recommended choice, which increases the viewer's confidence in trying it. Together, these principles make the viewer more likely to consider the product as the easy way forward.

The psychology:This leverages the Emotional Contrast principle by mixing hope and regret, which deepens emotional engagement. It also taps into Nostalgia Bias, making viewers reflect on their own past decisions and feel a personal connection. Together, these principles make the ending resonate emotionally, encouraging viewers to internalize the message.