A new survey by CareerBuilder reveals that 77% of people have witnessed some type of childish behavior in the workplace. Here's what they've seen...

Whining 55%

Pouting 46%

Tattling on co-workers 44%

Pranking 36%

Making faces 35%

Forming Cliques 32%

Starting Rumors 30%

Stomping 29%

Throwing Tantrums 27%

Not sharing 23%

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