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The decision whether to use dichotomous grid questions (dual-column grid format) or multi-response questions has been debated and researched now for a while as survey researchers are trying to battle respondent acquiescence bias. This is defined as the tendency to positively agree with all questions or statements in a survey.
 
Multi-response questions, in which the respondents are asked to select all the options that apply, is a common question format used in surveys that tends to elicit fewer selections in comparison with dichotomous grid questions, in which respondents…

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Asking questions about past behaviors in a survey is quite common, but also problematic. The assumption is that respondents can give an accurate account of what they did, how often they did it or how much time, energy and money they spent doing it. The fact is that our memory fails more than we want to admit. Respondents, often and unintentionally make memory-based errors which lead to over- or understatements of their actions.
Factors that affect memory in the context of a survey include:

The type of event is being asked about
Feelings about and meaning of the event
How often an event has…

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