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Registration

Field Before After
Trial Status in_development completed
Trial End Date December 31, 2022 September 25, 2022
Last Published August 25, 2022 02:49 PM August 28, 2024 03:04 PM
Intervention (Public) We designed a survey-based randomized experiment in which students were randomly exposed to profiles of fictitious top-performing students. There were two profile types: a female top performer and a male top performer. Each profile included a picture accompanied by a statement: “A top-performing [male or female] student in your classroom would be an example for you with respect to STEM study.”
Intervention End Date December 25, 2022 September 25, 2022
Primary Outcomes (End Points) Participant responses in a survey. Respondent’s perception/expectation of role model influence on STEM study using a 0-100 scale (with 0 reflecting no influence and 100 strong influence) from a top-performer profile that matches the respondent's gender.
Primary Outcomes (Explanation) Participants were asked to rate, on a 0-100 scale (with 0 indicating no influence and 100 indicating the highest influence), the perceived or expected impact of these top-performing students. To investigate the underlying mechanisms, we then asked participants: “Why do you believe exposure to a [male or female] who excels in your classroom would affect you?” Respondents were provided with the following answer options: increase in self-confidence, increase in the sense that success is feasible, obtaining information from them, studying together, or other. Respondents were allowed to choose multiple answers.
Experimental Design (Public) We develop a survey experiment in which individuals are exposed to randomized images of students of different gender excelling in different subjects. Participants are asked whether they think that the image of the student they see could provide good examples for other students in terms of performance, behavior, study and career choices. We develop a survey experiment in which individuals are exposed to randomized images of students of different gender excelling in different subjects. Participants are asked whether they think that the image of the student they see could provide good examples for other students in terms of STEM study.
Randomization Method Randomization through Qualtrics Randomization done in office by a computer
Planned Number of Clusters 1000 individuals. No specific clusters targeted. 600 individuals. No clusters.
Planned Number of Observations 1000 individuals 600 individuals
Sample size (or number of clusters) by treatment arms 200 individual in each of 4 conditions. 150 individual in each of 4 conditions.
Pi as first author No Yes
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Other Primary Investigators

Field Before After
Affiliation University of Queensland Monash University
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