The size of a group can really change how people act. This is especially true when it comes to following what others do, a process called conformity. Studies show that as a group gets bigger, people are more likely to go along with the group. But there’s a limit to this effect.

Here are some key points:

1. Research Results:

   • A well-known study by Solomon Asch found that when people were alone, only about 3% followed the group's opinion.
   • But when in groups of 3 to 4, that number jumped to 37%.
   • Once groups got larger than 5 members, changes in how much people conformed were very small, often leveling off at around 50%.

2. Reasons Behind Group Behavior:

   • Fear of Rejection: In big groups, there's more pressure to fit in because people don't want to feel left out.
   • Looking for Help: People in a larger group may look to others for guidance, leading to more agreement with the group's ideas.

3. Group Agreement and Togetherness:

   • When everyone in a group thinks the same way, more people tend to conform.
   • But if one person disagrees, it can lower the overall conformity. This shows that being united in a group really matters.

In short, how many people are in a group, how close they feel to one another, and how individuals see things all play a big role in how they behave together.