Advanced PHP Dr. Steven Bitner A/B and Multivariate testing Why - PowerPoint PPT Presentation

Advanced PHP Dr. Steven Bitner

A/B and Multivariate testing

Why use multivariate testing If your employer is interested in understanding how effective certain changes are, you may consider A/B or multivariate testing

How to do it  First, wonder why your employer yells at you; are you at boot camp?  Next, you'll need to determine what you need to test  Could be different CSS  Possibly different ads to display  Link && || button locations  Veri-sign or other seals effectiveness

Code in action  http://kc-sce- sphp01.kc.umkc.edu/~bitners/multivariate.php  Store variant in session or cookie  Display that variation of the code  Log results via a click tracking software or simple redirect script

APIs

What are APIs  Application Programmer Interfaces  If needed, you can create one for your site  Use POST or GET method  If needed, authenticate the requester with assigned verification hashes  Return the requested data

Accessing other APIs  Like everything else in CS, some are very well documented and others are attrocious  Google APIs are pretty useful and well documented, so we'll discuss those

Google Charts  https://google- developers.appspot.com/chart/interactive/docs/quick_star t  Full API reference - https://google- developers.appspot.com/chart/interactive/docs/reference

Sample code  The code here displays the click track data collected by the script in the multivariate portion of this lecture  http://kc-sce-sphp01.kc.umkc.edu/~bitners/report.php

Other Google APIs  Google has APIs for ad revenue  Google Maps  Google Calendar  The list goes on

mTurk  Artificial-artificial intelligence  Owned/operated by Amazon  Amazon Web Services AWS is a suite of APIs for various services including cloud storage and cheap labor access  Menial tasks