Multiple Choice
A software development company created a new app for fitness, and they want to determine if using the app can lead to weight loss and increased strength in customers. Should they run an observational study or experiment?
1. Introduction to Statistics
Intro to Collecting Data
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An office manager wants to determine how employees feel about their personal growth and professional achievement in the last quarter. Should they run an observational study or experiment?
A
Experiment
B
Observational study
C
Neither
D
Both
Verified step by step guidance1
Understand the difference between an observational study and an experiment: An observational study involves observing and collecting data without manipulating any variables, while an experiment involves actively manipulating one or more variables to observe their effect on an outcome.
Identify the goal of the office manager: The manager wants to determine how employees feel about their personal growth and professional achievement, which involves collecting subjective opinions or perceptions.
Determine whether manipulation of variables is necessary: Since the manager is only interested in gathering employees' feelings and not testing the effect of any intervention or change, no variables need to be manipulated.
Conclude that this situation aligns with an observational study: The manager would likely conduct surveys, interviews, or other methods to observe and record employees' responses without interference.
Verify that an experiment is not appropriate: An experiment would require introducing a specific change or treatment to measure its impact, which is not the case here. Therefore, the correct approach is an observational study.
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