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Example of Reactivity: Acting Differently in a Bar
A prime example of reactivity and the Hawthorne effect is how an individual might alter their behavior in a social setting, such as a bar, if they know they are being monitored. This awareness causes them to act differently than usual, thereby invalidating the observational study.
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Research Methods in Psychology - 4th American Edition @ KPU
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Original Findings Leading to the Hawthorne Effect
Controlling for the Hawthorne Effect in Experiments
A company's management team wants to test if playing classical music in a factory will increase worker productivity. For one week, they play the music and have supervisors walk the floor frequently to monitor the workers' output. Productivity increases by 15%. The next week, they continue playing the music but remove the frequent monitoring. Productivity levels return to what they were before the experiment began. Which of the following best explains the initial 15% increase in productivity?
Example of Reactivity: Acting Differently in a Bar
Which of the following best defines the Hawthorne effect in the context of observational research?
Match each component of the Hawthorne effect to its specific role within a psychological research study.
In a study of factory workers, researchers observed that productivity increased when the lighting was made brighter and also increased when the lighting was made dimmer. If a researcher concludes that the specific level of illumination was the primary cause of these performance gains, their analysis of the results is scientifically valid.
A research supervisor is evaluating the validity of the 1920s factory experiments discussed in the video. Arrange the following findings in order from the one that provides the WEAKEST support for the Hawthorne effect (least able to rule out physical causes) to the one that provides the STRONGEST support (best able to isolate the effect of being observed).
You are designing a study to observe the natural workflow of teachers in a local school. Based on the performance shifts observed in the hospital hand-washing study (watch the video from 13s to 25s), which of the following original research protocols would you create to ensure your data reflects the teachers' true, unobserved behavior rather than a temporary improvement caused by your presence?
The Hawthorne effect refers to a phenomenon where research participants modify their behavior primarily because of physical changes in their environment, such as lighting adjustments, rather than the awareness of being observed.
A researcher is studying noise levels in a university library. They sit at a table with a decibel meter and a sign that says 'Research Study in Progress.' If the students whisper more quietly than they normally do specifically because they are aware of the researcher's presence, the study is experiencing the _____.
Match each hypothetical observational research scenario to the specific methodological term or consequence it represents.
A researcher studying classroom attention compares two designs: one where a researcher sits visibly at the front desk, and one where classroom behavior is recorded via a hidden camera. By analyzing the difference in student posture between the two setups, the researcher is checking for the presence of the _____, which would bias the study's conclusions.
Evaluate the following observational research designs. Order them from the HIGHEST risk of introducing the Hawthorne effect (1) to the LOWEST risk of introducing the Hawthorne effect (4).
Learn After
If a person at a bar knows they are being observed as part of a research study, they are likely to change their behavior, which can compromise the validity of the observational data collected.
Suppose a researcher is observing social interactions in a bar to study natural communication patterns. If the patrons notice the researcher and subsequently change their behavior to appear more polite or reserved, what is the most significant scientific consequence?
A psychologist is conducting an observational study on social dynamics in a local tavern. Match each component of the research process with the specific detail from the tavern scenario that best illustrates it.
Analyze the causal chain of reactivity in an observational study. Arrange the following events to demonstrate how a participant's awareness in a social setting, such as a bar, leads to a failure in research validity.
In a psychological study conducted in a social setting like a bar, which term refers to the phenomenon where patrons change their natural behavior specifically because they realize they are being observed?
In an observational study at a bar, if patrons notice a researcher and then consistently act more polite than they normally would, the resulting data is still considered a valid representation of their natural social behavior.
A researcher reviews an observational study of social interactions in a bar and determines that the resulting data is 'scientifically worthless' for understanding natural social habits because the patrons noticed the recording equipment. This researcher's evaluation is based on the fact that the patrons' awareness caused _____, which replaced their typical, uninhibited conduct with a modified version and invalidated the study's conclusions.
A researcher conducts an observational study of social interactions in a bar. Match each observed outcome from the study to the research concept it best illustrates.
When analyzing why the bar observational study produced invalid data, a researcher traces the failure to a single root cause: the participants' _____ of being watched triggered behavioral changes that prevented the data from reflecting natural social conduct.
A researcher must evaluate the methodological integrity of a bar observational study after discovering a potential Hawthorne effect. Arrange the following steps in the order that best reflects sound evaluative judgment about research validity.