Home
A/B Testing Idea #288 - If users have spent some resources, e.g. financial or time, in your service, indicate how much they have been spent
![Tactic_If users have spent some resources, e.g. financial or time, in your service, indicate how much they have been spent](https://s3-eu-west-1.amazonaws.com/convertize-prd/tactic/en/288.gif)
Description
People are more likely to continue on in vain with a project or plans for which they have already invested money, time or effort, even if they no longer want to or there may be more potential losses to come. So showing to your customers what they have already invested in time or money will push them to keep investing.
Principles
- Autonomy bias (Deci, 1971; Ryan, 2008)
- Sunk Cost Effect (Kahneman & Tversky, 1970; Arkes; Hal R. & Blumer, 1985)
The Research
Autonomy bias
We prefer situations that we have control over.
Sunk Cost Effect
The Sunk Cost Effect proves that people can be influenced in to making irrational decisions based on a perceived loss of money, time or effort already invested in something.
Browse A/B Testing Ideas bycategories
Browse A/B Testing Ideas bytype of website
Browse A/B Testing Ideas bypage type
Browse A/B Testing Ideas bybrands
Browse A/B Testing Ideas bydefinitions
![](/assets/images/tactics/brain_sleep.png)
Oops, you have reached your limit of 1 free tactic per hour
To get unlimited access to our 250+ tactics,
Join our FREE mailing list
*
Or wait 00:59:59
![](/assets/images/tactics/gift-icon.png)