Teams and attitudes: are there gender differences?

Last registered on March 18, 2025

Pre-Trial

Trial Information

General Information

Title
Teams and attitudes: are there gender differences?
RCT ID
AEARCTR-0015160
Initial registration date
March 11, 2025

Initial registration date is when the trial was registered.

It corresponds to when the registration was submitted to the Registry to be reviewed for publication.

First published
March 18, 2025, 10:55 AM EDT

First published corresponds to when the trial was first made public on the Registry after being reviewed.

Locations

Region
Region

Primary Investigator

Affiliation
Indian Institute of Technology Delhi

Other Primary Investigator(s)

PI Affiliation
Indian Institute of Technology Delhi

Additional Trial Information

Status
In development
Start date
2025-04-07
End date
2025-04-19
Secondary IDs
Prior work
This trial does not extend or rely on any prior RCTs.
Abstract
Throughout one’s life cycle, either as a student or as a professional, an individual has to work in teams that are not formulated by them. While team diversity (with respect to gender) has shown to increase creativity in some specific contexts, it may lead to discouraging experiences for the marginalized groups. We attempt to investigate gender differences in self-selection of students into team leader roles, assertiveness and collusive/agreeable behavior and whether team composition has an impact on these behavior within the context of historically male dominated environment, in particular elite engineering institutes in India.

Using a language classroom setting, we plan to use language and communication related tasks to be completed by an individual in Round I. We will be randomizing participants into teams of 3 for Round II where participants would work in a team to modify the task given in Round 1. Randomization of participants into a team of 3 gives us exogenous variation in the degree of gender heterogeneity in a team, for example, teams with 0,1, 2 females. Our objective is to understand how individual behavior and team output varies with gender diversity.
We will use Artificial Intelligence techniques to trace the percentage changes in individual entries vis-à-vis when they submit entries through teams. Additionally, post treatment questionnaire’s responses will help us understand who has more voice in the teams, who self-selects as leader, who is agreeable, who is more assertive, attitudes towards other team members and how these behaviors vary with the gender composition of the teams.


External Link(s)

Registration Citation

Citation
Sengupta, Nandana and Swati Sharma. 2025. "Teams and attitudes: are there gender differences?." AEA RCT Registry. March 18. https://doi.org/10.1257/rct.15160-1.0
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Experimental Details

Interventions

Intervention(s)
There is no direct intervention. Indirect intervention comes through random assignment of individuals to a team of 3 giving us a varied degree of gender heterogeneity.
Intervention (Hidden)
Intervention Start Date
2025-04-07
Intervention End Date
2025-04-19

Primary Outcomes

Primary Outcomes (end points)
1. Gender of the team leader
2. Winning Team and its gender composition
3. Team performance
4. Consensus in decision making
5. Teamwork related outcomes like satisfaction, experience
6. Choice of objects
Primary Outcomes (explanation)
1. Self explanatory
2. Self explanatory
3. Team performance = points scored by the team in the assigned task
4. Consensus in decision making= self reported individual level post survey questionnaire
5. Team work related outcomes like satisfaction, experience= self reported individual level post survey questionnaire
6. Self explanatory

Secondary Outcomes

Secondary Outcomes (end points)
1. Individual performance
Secondary Outcomes (explanation)
1. Individual performance = measured by points scored in the individual level task

Experimental Design

Experimental Design
Field experiment stages are listed below:
1. Round 1 = Individual level task
2. Round 2 = Individuals work as a Team and replicate task from Round 1
2.a. Assigning individuals randomly to a Team of 3 where we would vary gender composition of the team, for example, teams with no females, one female, and two females. Benchmark/control group are teams with no females (i.e., all males teams).
3. After team task, everyone fills a post task questionnaire
4. Subjects paid participation honorarium after filling up questionnaires
5. After studying outputs, we will announce individual and team winners at a later date (within 45 days of the study).
Experimental Design Details
Individual come for participation in the study.
Individuals are provided information about the study, task, incentives, based on which they consent to be part of the study or not.

A. Task design
Round 1 = Individual level task
We show digital images of non-branded common daily use objects/consumables like wooden stick, mosquito kill racket, tissue roll, purse, tin can, broom, hanger, apple, apron, sugar cubes, pen etc., to name a few.

In Round 1, individuals have to select 4 items from 12 items displayed and write the maximum number of feasible uses. They get 10 minutes to do it.

In Round 2, we assign students randomly to a team of 3 students and ask them to do the same task as a team. Objective is to see changes in outcomes with variation in gender composition of teams.

To give an example, suppose a session-class size is 30 students. We show them 12 non-branded common daily use objects/consumables objects. Everyone independently selects k=4 objects and writes their maximum possible uses.

At team level, they reproduce the task, i.e., now as a team they pick 3 objects and write their maximum possible uses. This task is in line with students’ curriculum as they routinely do team exercises. 5% of top scoring students in per class would win (e.g. From a class of 30 consenting students, two winners would be selected)

Winners will be decided by the weighted average of 1.) number of uses conditional on feasibility, and 2) uniqueness of the object (calculated as 1/n where n is the number of individuals/teams choosing that object within a session). Winning criteria will be described in the information sheet provided at the start of the task. As a tie breaker, we will look at the uniqueness of uses within top scoring teams.

B. Key methodology/treatment/instrument
Randomization of participants into a team of 3 gives us variation in the degree of gender heterogeneity. Our objective is to understand how individual behavior and team output varies with variation in team homogeneity in terms of gender.

Teams would be required to (i) choose a leader, (ii) complete the task within stipulated time. They will get 20 minutes to discuss and complete the tasks. The leader's responsibility is to ensure that the task is completed and submitted within time.

The task will be followed by a post treatment questionnaire to capture team player attitudes. Additionally, post treatment questionnaire’s responses will help us understand team dynamics in terms of leadership, attitudes, consensus building, satisfaction, etc.
Randomization Method
Randomization done in real time (as consented students participate in Round I) using a computerized randomization algorithm.
Randomization Unit
Individual level
Was the treatment clustered?
No

Experiment Characteristics

Sample size: planned number of clusters
NA
Sample size: planned number of observations
Upper limit if everyone consents to participate = 1240 students mapping into 413 teams
Sample size (or number of clusters) by treatment arms
Since only 18-20% of students are females, our power to create mixed gender team is limited.
In the best case scenario, all 1240 students would turn up and consent to take part leading to 413 teams in total. In this scenario, our team composition will be the following: All males teams = 305; Female Majority Teams = 54; Female Minority Teams = 54

In expected scenario, we will see 70% participation rate, leading to the following composition: All males teams= 214; Female Majority Teams = 38; Female Minority Teams = 38
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
For a MDE 0.25 with level of significance 0.05, power 0.8, 0.26 proportion of teams in treatment, assuming SD 0.2 in the main outcome of the team performance, we need at least 32 teams of each type.
IRB

Institutional Review Boards (IRBs)

IRB Name
Institute Ethics Committee of Indian Institute of Technology Delhi, (IEC-IITD)
IRB Approval Date
2023-03-23
IRB Approval Number
2021/P092

Post-Trial

Post Trial Information

Study Withdrawal

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Intervention

Is the intervention completed?
No
Data Collection Complete
Data Publication

Data Publication

Is public data available?
No

Program Files

Program Files
Reports, Papers & Other Materials

Relevant Paper(s)

Reports & Other Materials