Which kind of experiments will allow you to test two different headlines and two different images on a single page?

Despite running your experiment beyond the estimated duration, and despite a lot of impressions and conversions, if none of the variations emerge as a clear winner, it may be because:

If the relevance ratings for all your sections appear as zero, it may not indicate that:

You can test up to ___ different page variations in an A/B experiment.

The scripts that need to be installed on your pages to allow Google Website Optimizer to work optimally include the______.

During the progress of a Website Optimizer Experiment, if the color of the performance bar changes to red, it indicates:

You will start seeing the estimated conversion rate range bars appear for each combination in an experiment:

Once started, you can not change the parameters of a Website Optimizer experiment.

If Website Optimizer is unable to access the password protected pages on your live site, ______.

If you create a multivariate experiment with two page sections (headline and image), and one variation for each section, which of the following combinations will not be tested?

Which kind of experiments allow you to compare the performance of two entirely different pages with different layouts, sections, overall look and feel of the pages?