How can I set a default value if the radio buttons in the Associated Products doesn't appear anymore.
According to the screenshot here you can select a default option by ticking one of the radio buttons beside the option: SOURCE: http://icebergcommerce.com/software/blog/iss/article/magento-configurable-products-setting-default-value-for-options/
As shown in the screenshot above, you can select a default option by ticking one of the radio buttons beside the options. But now the radio buttons are gone. Below is the current screenshot of Magento 1.9.1 Associated Products tab of a Configurable Product:
The question is, how can I select a default option if the radio buttons no longer exist?