Political pollsters now make sure to conduct a percentage of their telephone interviews by calling mobile phones. this policy best addresses which potential source of bias?

lack of access

Explanation:

If they use the mobile phones there are high chances that they won't get everyone through the phone , they may be shortage of responses or insufficient data collection due to the fact that not everyone would answer to this pollsters and they may not even have access to enough mobile phones.

this is a pretty broad question and can be a pretty lengthy answer. since 1900, women have gained a lot more rights and have become active in the workforce. with women being in the workforce, men play a larger role in family life. many family tasks are shared between men and women, whereas, women used to be the sole family caretakers.

that should get you started at least.

answer; curiosity;