{"query_echo":{"q":"","filters":{"analysis_type":["randomized controlled trial"]},"warnings":[{"code":"facet_value_not_in_vocabulary","message":"Value 'randomized controlled trial' for facet 'analysis_type' is not in the controlled vocabulary."}]},"total":{"value":3,"relation":"eq"},"page":1,"page_size":20,"self":"https://climateinsightsdirectory.org/api/v1/search?analysis_type=randomized+controlled+trial","stability":"beta","ai_marking":{"digital_source_type":{"uri":"http://cv.iptc.org/newscodes/digitalsourcetype/trainedAlgorithmicMedia","name":"Created using Generative AI"},"notice":"Summary and key insights are generated using artificial intelligence."},"results":[{"id":"iisd-000814","url":"https://climateinsightsdirectory.org/document/iisd-000814","title":"A pilot of secondary use of solar irrigation power for clean cooking","publisher":{"name":"International Institute for Sustainable Development","organization":"international-institute-for-sustainable-development"},"document_type":"executive summary","language":"en","date_published":"2026-02-10","source_url":"https://www.iisd.org/publications/report/beyond-irrigation-solar-power-kenya","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","analysis_type"],"summary":{"text":"A pilot in rural Kenya demonstrated that solar irrigation systems with batteries can power electric pressure cookers (EPCs), leading to promising reductions in traditional fuel use. While EPCs were well-received, particularly by educated households, the impact was limited by battery constraints, competing energy needs, and gendered dynamics regarding energy control. The report suggests that scaling such secondary energy uses requires improved technology design, adequate battery storage, targeted financing, and behavioral support to ensure an equitable transition to clean energy.","ai_generated":true,"unit":"iisd-000814#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"A randomized controlled trial in rural Kenya confirmed that solar irrigation systems equipped with batteries are capable of powering electric pressure cookers (EPCs), which were actively used and enthusiastically accepted when provided for free, especially in educated households.","ai_generated":true,"unit":"iisd-000814#insight-1","date_modified":"2026-10-23"},{"text":"The pilot showed tentative reductions in the use of solid fuels and an increase in solar electricity consumption, suggesting positive synergies between solar irrigation and clean cooking.","ai_generated":true,"unit":"iisd-000814#insight-2","date_modified":"2026-10-23"},{"text":"The overall impact of the EPCs was constrained by battery capacity, competing energy demands for lighting and television, and a gender divide where men controlled battery use while women made cooking choices.","ai_generated":true,"unit":"iisd-000814#insight-3","date_modified":"2026-10-23"},{"text":"To increase the uptake of e-cooking and reduce reliance on other energy sources, the report recommends aligning battery capacities with multi-use demands, scheduling cooking during peak solar generation hours, and providing targeted financing, subsidies, and behavioral training.","ai_generated":true,"unit":"iisd-000814#insight-4","date_modified":"2026-10-23"}],"climate_tags":["clean cooking","battery energy storage system","energy access","gender equality","social inclusion"],"geography_discussed":[],"frame_perspective":[],"analysis_type":["pilot project evaluation","randomized controlled trial"]},{"id":"iisd-002551","url":"https://climateinsightsdirectory.org/document/iisd-002551","title":"Solar-Powered Cooking in Kenya","publisher":{"name":"International Institute for Sustainable Development","organization":"international-institute-for-sustainable-development"},"document_type":"policy brief","language":"en","date_published":"2026-02","source_url":"https://www.iisd.org/system/files/2026-02/beyond-irrigation-solar-power-kenya-summary.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","analysis_type"],"summary":{"text":"The study found that using solar irrigation systems for secondary cooking purposes is feasible, with 63% of treated households using EPCs at least once weekly. While EPCs modestly reduced reliance on traditional fuels and increased battery electricity consumption by up to 26% among active users, adoption was constrained by limited battery capacity, competing energy needs for entertainment, and gendered disparities in energy control. Education was the strongest predictor of adoption, and high price sensitivity suggests a need for targeted subsidies or financing to scale the technology.","ai_generated":true,"unit":"iisd-002551#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The use of electric pressure cookers (EPCs) powered by solar irrigation systems is feasible, with 63% of treated households using the devices at least once a week and 56% reporting satisfaction.","ai_generated":true,"unit":"iisd-002551#insight-1","date_modified":"2026-10-23"},{"text":"Education was the primary driver of EPC adoption, whereas gender, income, and age did not have a significant impact on usage.","ai_generated":true,"unit":"iisd-002551#insight-2","date_modified":"2026-10-23"},{"text":"Among active users, EPCs led to a modest reduction in the use of traditional fuels (by 10–12 percentage points) and increased solar battery electricity consumption by 20%–26%, though these results were not statistically significant.","ai_generated":true,"unit":"iisd-002551#insight-3","date_modified":"2026-10-23"},{"text":"Adoption was hindered by technical and social constraints: households often prioritized lighting and entertainment over cooking due to limited battery capacity, and a gap exists between those who make cooking decisions (80% women) and those who control battery use (20%).","ai_generated":true,"unit":"iisd-002551#insight-4","date_modified":"2026-10-23"},{"text":"High price sensitivity is a major barrier to scaling; while 79% of respondents were willing to pay KES 3,000 (USD 23) for an EPC, only 21% were willing to pay the market price of KES 9,000 (USD 69).","ai_generated":true,"unit":"iisd-002551#insight-5","date_modified":"2026-10-23"}],"climate_tags":["clean cooking","energy poverty","renewable energy","gender equality","battery energy storage system","energy subsidy"],"geography_discussed":[],"frame_perspective":[],"analysis_type":["randomized controlled trial","policy assessment"]},{"id":"sei-001888","url":"https://climateinsightsdirectory.org/document/sei-001888","title":"What’s health got to do with it?","publisher":{"name":"Stockholm Environment Institute","organization":"stockholm-environment-institute"},"document_type":"research paper","language":"en","date_published":"2016-06","source_url":"https://www.sei.org/mediamanager/documents/Publications/SEI-WP-2016-04-SNV-cookstoves-health-Cambodia-Kenya.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The document investigates whether health-based messaging can drive the adoption of clean cookstoves in Cambodia and Kenya. Findings from both studies indicate that health messaging has a minimal effect on actual purchases, with price and the efficacy of sales agents being more significant drivers. While the campaign in Cambodia increased awareness of health risks, awareness in Kenya was already high at the baseline. The research suggests that for health messaging to be effective, it must be combined with innovative financing to overcome affordability barriers and be better aligned with end-user needs.","ai_generated":true,"unit":"sei-001888#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Health-focused messaging has a minimal impact on the actual purchase of clean cookstoves, as adoption is influenced by a complex set of multiple factors.","ai_generated":true,"unit":"sei-001888#insight-1","date_modified":"2026-10-23"},{"text":"The cost of clean cookstoves remains a primary barrier to adoption in both Cambodia and Kenya, often overshadowing health concerns.","ai_generated":true,"unit":"sei-001888#insight-2","date_modified":"2026-10-23"},{"text":"In Cambodia, the skill, motivation, and personality of individual sales agents were the most influential factors in driving stove sales.","ai_generated":true,"unit":"sei-001888#insight-3","date_modified":"2026-10-23"},{"text":"Health awareness levels vary by region; the Cambodian campaign successfully increased awareness of the risks of traditional biomass cooking, whereas Kenyan participants already possessed high awareness.","ai_generated":true,"unit":"sei-001888#insight-4","date_modified":"2026-10-23"},{"text":"In Cambodia, positive-toned health messaging was more effective at increasing awareness than negative-toned messaging.","ai_generated":true,"unit":"sei-001888#insight-5","date_modified":"2026-10-23"},{"text":"In the Kenyan study, a goal-setting intervention combined with measures to remove purchase obstacles was the only treatment that showed a statistically significant impact on cookstove change.","ai_generated":true,"unit":"sei-001888#insight-6","date_modified":"2026-10-23"},{"text":"Beyond health, the primary drivers for purchasing the ACE-1 stove in Cambodia included fuel and time savings, the ability to charge phones, and the availability of disposable income.","ai_generated":true,"unit":"sei-001888#insight-7","date_modified":"2026-10-23"},{"text":"The research suggests that health promotion campaigns are most effective when combined with product distribution and affordable financing options.","ai_generated":true,"unit":"sei-001888#insight-8","date_modified":"2026-10-23"}],"climate_tags":["household air pollution","energy transition","climate finance"],"geography_discussed":["Kampong Chhnang Province","Kiambu County"],"frame_perspective":[],"analysis_type":["case study","randomized controlled trial","action research"]}]}