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Culture and domestic violence in Tanzania
Last registered on September 17, 2019

Pre-Trial

Trial Information
General Information
Title
Culture and domestic violence in Tanzania
RCT ID
AEARCTR-0004669
Initial registration date
September 17, 2019
Last updated
September 17, 2019 10:28 AM EDT
Location(s)

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Primary Investigator
Affiliation
University of Copenhagen
Other Primary Investigator(s)
PI Affiliation
University of Copenhagen
PI Affiliation
University of Dar es Salaam
Additional Trial Information
Status
On going
Start date
2017-02-01
End date
2020-12-31
Secondary IDs
Abstract
We investigate the effectiveness of documentary films to change individual attitudes justifying domestic violence, and reporting of own experiences of domestic violence. We study this in Tanzania, where the Tanzanian Ministry of Community Development, Gender and Children produced a documentary film showing severe cases of violence against women, albinos and children, in 2009. We use fragments of this documentary as experimental treatments with the intention to evaluate the effectiveness of documentary video material to affect individual attitudes about domestic violence, and reporting of own experiences of domestic violence. In particular, we compare these two outcomes among participants who watched a video on violence against women, with those of participants who watched a video on violence against albinos (control group 1) and participants who did not watch any video (control group 2). The intervention is implemented separately among women and men to assess the effectiveness of the video across genders. Findings from this study can enhance the current understanding of whether and how documentary video material can help public policy in changing harmful individual attitudes and social norms.
External Link(s)
Registration Citation
Citation
Leyaro, Vincent , Pablo Selaya and Neda Trifkovic. 2019. "Culture and domestic violence in Tanzania." AEA RCT Registry. September 17. https://doi.org/10.1257/rct.4669-1.0.
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Experimental Details
Interventions
Intervention(s)
Intervention Start Date
2018-01-21
Intervention End Date
2019-02-22
Primary Outcomes
Primary Outcomes (end points)
Individual attitudes justifying domestic violence and own experience of domestic violence
Primary Outcomes (explanation)
Experience of violence measures: 1. spouse pushed, shook or threw something, 2. spouse slapped, 3. spouse twisted arm or pulled hair, 4. spouse punched with fist or something harmful, 5. spouse kicked or dragged, 6. tried to choke or burn, 7. spouse threatened or attacked with any weapon, 8. physically forced you to have sexual intercourse, and 9. forced to perform any sexual acts you did not want to
Attitudes justifying domestic violence: 1. Wife beating justified if wife goes out without telling, 2. neglects the children, 3. argues with the husband, 4. refuses to have sex, and 5. burns the food.
Secondary Outcomes
Secondary Outcomes (end points)
Secondary Outcomes (explanation)
Experimental Design
Experimental Design
Treatment:
We show a 13-minute video describing the case of a victim of domestic violence in Tanzania, and her efforts to overcome such situation. The video is shown to separate, randomly chosen groups of men and women. The video is an extract from the 45-minute documentary "Kataa Ukatili Dhidi ya Wanawake, Watoto na Mauaji ya Albino," ("Stop Violence Against Women, Children and Killings of Albinos"), produced by the Tanzanian Ministry of Community Development, Gender and Children, and broadcasted in the country between 2009 and 2011. After participants have seen the 13-minute video on domestic violence, we administer an individual questionnaire that includes demographic and socio-economic characteristic of the respondent, as well as his/her attitudes and experiences of domestic violence.

Control 1:
We show a 9-minute video describing a case of violence against albinos in Tanzania. The video is shown to separate, randomly chosen groups of men and women. The video is an extract from the 45-minute documentary "Kataa Ukatili Dhidi ya Wanawake, Watoto na Mauaji ya Albino," described above. After participants have seen the 9-minute video on violence against albinos, we administer an individual questionnaire that includes demographic and socio-economic characteristic of the respondent, as well as his/her attitudes and experiences of domestic violence.

Control 2:
We do not show any documentary video material to this group, and only administer a questionnaire that asks about demographic and socio-economic characteristic of the respondent, as well as his/her attitudes and experiences of domestic violence.
Experimental Design Details
Not available
Randomization Method
Public lottery
Randomization Unit
Individual
Was the treatment clustered?
Yes
Experiment Characteristics
Sample size: planned number of clusters
240 men and 240 women in 6 villages (40 men and 40 women in each village)
Sample size: planned number of observations
480 men and women
Sample size (or number of clusters) by treatment arms
156 participants (78 women and 78 men) in the treatment group
156 participants (78 women and 78 men) in control group 1
168 men and women in control group 2
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
IRB
INSTITUTIONAL REVIEW BOARDS (IRBs)
IRB Name
Growth and Development Research Project (GDRP) Tanzania Board, at the University of Copenhagen and the University of Dar es Salaam
IRB Approval Date
2017-02-01
IRB Approval Number
N/A