Economic conditions are improving slightly and optimism about ad spending is rising alongside.

According to Advertising Perceptions, Inc., a media industry research firm, optimism about future ad spending is at the highest level its been for 24 months.

That’s a good sign.

The most recent survey, which was fielded this month, shows that ad-spending sentiment is now improving for every medium tracked — even for some traditional media such as newspapers, magazines and broadcast, which continue to have an overall negative index.

“They’re still negative, on balance, but they’re improving. They’re moving in the right direction now,” says Pearl.

Screen shot 2009-12-01 at 3.25.36 PM.jpg

Thanks to MediaPost for promoting the research.