When an advertiser using viewable cost–per–thousand impressions (vCPM) bidding clicks on his own display ad, Quality Score:

1. improves for that placement because the clickthrough rate (CTR) increases
2. improves for that placement because the vCPM bid decreases
3. is not affected because the click is automatically filtered out by Google’s invalid click technology
4. is not affected because clickthrough rate (CTR) is not a factor with vCPM bidding

Correct Answer:
is not affected because the click is automatically filtered out by Google’s invalid click technology