Identify the true statements about designing questionnaires. $($Check all that apply.$)$ Multiple select question. Good questionnaires, or well$-$designed questionnaires, allow researchers to gather information that is not only reliable but also valid. The steps researchers follow in designing questionnaires differ radically depending on whether they are developed online or offline. The principles of designing questionnaires remain essentially the same regardless of advances in communication systems. The methodology of asking and recording questions has remained independent of the development of software and advances in communication systems.