|Objectivity: is a property of determinations about facts. It is assumed that the properties attributed to the facts are determined by the facts and are not, or as little as, influenced by the attributing person. In order to determine whether this requirement is fulfilled, consideration must be given to the methods of access to information. This goes beyond the facts considered.|
Books on Amazon:
Objectivity/Objectivism/ethics/Mackie/P. Singer: Mackie assumes objective moral standards, but our talking about them involves mistakes - e.g. the legend that ethics is a God-given system.
Practical Ethics (Third Edition) Cambridge 2011
The Most Good You Can Do: How Effective Altruism is Changing Ideas About Living Ethically. New Haven 2015