A researcher studying chronic workplace stress wants to survey employees at a large tech company. Which would serve as the most appropriate sampling frame?

Question

BlackTom AI · Accepted Answer

When planning a survey of employees at a large tech company, the sampling frame should accurately represent the population you want to study and provide a reliable way to select participants.
Option 1: 'Last year's employee directory' may be outdated due to new hires, departures, role changes, or relocated contact info, making it a weak frame for current sampling.
Option 2: 'Social media profiles of employees' rely on voluntary presence and privacy settings, introducing selection bias and omitting many employees who do not actively use or disclose profiles, which undermines representativeness.
Option 3: 'A complete list of all current employees with their contact information' directly matches the population of interest. It is up-to-date (assuming current records are maintained), comprehensive, and provides a feasible basis for random or systematic sampling with minimal bias.
Option 4: 'A voluntary sign-up sheet for the study posted in the lunch room' is a voluntary response approach. Such a method typically yields self-selection bias, where only those with strong opinions or interest participate, leading to a highly non-representative sample.
Overall, the most appropriate sampling frame is the complete list of all current employees with their contact information because it best supports unbiased, generalizable sampling of the target population.

A researcher studying chronic workplace stress wants to survey employees at a large tech company. Which would serve as the most appropriate sampling frame?单项选择题

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