Ever wondered how kids figure out when to make a decision? It turns out, they have a kind of mental rule that helps them decide when they're sure enough to act. This rule is like a personal threshold, and it changes how they think about things. If the threshold is too low, kids might jump to conclusions. This can lead to some interesting beliefs, like superstitions or even conspiracy theories. To understand how this works, it's important to study kids early on.

Most tools to measure this decision-making rule have been used only with adults. These tools also rely on subjective guesses about probability, which isn't always accurate. So, researchers created a new way to measure this in kids. Instead of asking them to guess, the new tool uses real, objective probabilities. It's like giving kids a clear set of rules to follow, making it easier to see how they make choices.

To test this new tool, researchers studied 299 kids in a special program for talented students. They found that the new tool works well and gives reliable results. The kids' scores on this new tool also matched up with how they did on other tasks, like a classic beads task that measures how they handle new information. The new tool also showed that older kids and those who are better at math tend to have higher decision thresholds. This means they wait longer to make a decision, which might help them avoid jumping to conclusions.

However, the new tool didn't show any link to other factors, like how sure kids feel about their beliefs or how they feel about themselves in general. This suggests that the decision threshold is a specific part of how kids think, separate from other traits.

This new tool is a big step forward. It helps researchers understand how kids make decisions and how this affects their beliefs and biases. By studying this early on, we can learn more about how thinking develops and how to support kids in making good choices.

SIGNAL DETECTION THEORY

How Kids Make Choices: A New Way to Understand Their Thinking

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