Learn Before
Blind Administration
Blind administration is a procedural precaution used to minimize the experimenter expectancy effect by having a measure administered by a research helper who is completely unaware of the study's intent or the specific hypothesis being tested. This strategy effectively prevents the researcher's own expectations from inadvertently biasing participant behavior.
0
1
Tags
KPU
Research Methods in Psychology - 4th American Edition @ KPU
Related
Blinding in Experiments
Rosenthal and Fode's Rat Maze Experiment
Blind Administration
Standardizing Interactions
Which of the following best describes the experimenter expectancy effect?
The experimenter expectancy effect can only occur when a researcher intentionally changes the study procedures to favor a desired outcome.
A researcher is testing whether listening to upbeat music increases social extroversion. Sequence the following events to illustrate how the experimenter expectancy effect could manifest in this scenario.
A researcher is conducting a study to determine if a new herbal supplement improves memory performance. Match each of the researcher's specific expectations with the subtle, unintended behavior that would most likely demonstrate the experimenter expectancy effect in this scenario.
You are designing a research protocol to test if listening to 'instrumental' music for minutes increases creativity. To create a systematic safeguard that ensures your own belief in the music's benefits does not inadvertently bias the participants' responses, which of the following integrated designs should you implement?
Match each research concept with the definition that correctly describes its role in potentially biasing the results of a psychological study.
Arrange the stages of the experimenter expectancy effect in the order they occur to illustrate how a researcher's beliefs can systematically bias a study's results.
In a formal peer review, a psychologist evaluates a study on 'memory and mood' and finds that the experimenter's knowledge of the hypothesis led to unintentional, encouraging nods toward participants in the 'happy mood' condition. The reviewer judges the study's data to be flawed because the methodology failed to account for the _____.
An investigator measuring memory retention inadvertently provides clearer instructions to the experimental group because they expect this group to perform better, which subsequently improves their test scores. True or False: This scenario represents an experimenter expectancy effect because the researcher's expectations subtly and unintentionally biased the participants' behavior, thereby compromising the study's validity.
A psychologist is evaluating a research design where the primary investigator—who is fully aware of the study's hypothesis—personally administers a psychological measure to participants. The psychologist critiques this setup as being highly vulnerable to the experimenter expectancy effect. To safeguard the study's validity, the psychologist recommends implementing a _____ administration, wherein the person collecting the data is kept unaware of the participants' assigned conditions.
Learn After
In blind administration, who is kept unaware of the study's hypothesis?
In blind administration, the primary objective is to keep the participants unaware of the hypothesis, while the research helper is fully informed of the expected results.
A researcher is conducting an experiment to determine if participants who listen to upbeat music while exercising have a higher heart rate than those who listen to calm music. Arrange the following steps in the correct order to implement a blind administration protocol for this study.
A researcher is investigating whether a specific scent improves concentration. To implement 'blind administration', they must carefully structure the roles and information flow. Match each component of this research design to its functional role in minimizing experimenter expectancy bias.
Blind administration is a procedural precaution specifically designed to minimize which of the following?
Which of the following scenarios best illustrates the underlying logic of using blind administration in a psychological experiment?
During a peer review, a researcher critiques a study for having the principal investigator—who holds strong expectations about the results—collect all participant data. To resolve this methodological concern and enhance the study's internal validity, the reviewer should recommend the use of _____ administration.
A psychology lab is testing whether a new breathing exercise reduces public speaking anxiety. The lead researcher, who strongly believes the exercise will be effective, administers the anxiety rating scale to all participants after they complete the exercise. The researcher records every response with care and neutrality. This procedure successfully achieves blind administration because the data were collected objectively.
A research team studies whether a memory technique improves recall. Analyze each feature of their protocol and match it to its methodological role in blind administration.
A published study reports that participants who received a new cognitive training program showed significant memory improvements. A peer reviewer notes that the same researcher who designed the program and strongly expected it to succeed also administered all memory assessments. The reviewer concludes that without employing _____, the reported improvements may reflect the researcher's unintentional influence on participants rather than a genuine effect of the training.
Define blind administration and explain its primary purpose in psychological research. Specifically, identify who is kept unaware of the study's details and what specific threat to internal validity this procedure is designed to minimize.
Identify the element of this study that represents blind administration and explain why this setup successfully minimizes the experimenter expectancy effect.
A clinical psychologist is conducting a study to see if a new mindfulness app reduces stress. The psychologist has designed the app and strongly believes it will work, and plans to administer the stress surveys to participants face-to-face. How should the psychologist modify this procedure to implement blind administration?