Willow Tree
Data Sampling
Some say that you can make statistics say whatever you want. It is important for learners to recognize these biases. Pupils learn about sample bias and the different types of samples.
Online Writing Lab at Purdue University
Purdue University Owl: Creating Good Interview and Survey Questions
This entry focuses on writing good interview and survey questions when conducting primary research. It warns againgst questions that are bias, wordy, double-barreled, and unrelated and provides examples of each.