{"query_echo":{"q":"","filters":{"analysis_type":["field experiment"]},"warnings":[{"code":"facet_value_not_in_vocabulary","message":"Value 'field experiment' for facet 'analysis_type' is not in the controlled vocabulary."}]},"total":{"value":5,"relation":"eq"},"page":1,"page_size":20,"self":"https://climateinsightsdirectory.org/api/v1/search?analysis_type=field+experiment","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":"bc3res-000206","url":"https://climateinsightsdirectory.org/document/bc3res-000206","title":"MONETARY INFORMATION TO INCREASE THE ADOPTION OF ENERGY-EFFICIENT OPTIONS: TRICK OR TREAT?","publisher":{"name":"Basque Centre for Climate Change","organization":"basque-centre-for-climate-change"},"document_type":"policy brief","language":"en","date_published":"2023-05","source_url":"https://www.bc3research.org/h6T8Uy8Nm4gFs0O/20230515024739726001613.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The document examines the 'energy efficiency gap' and evaluates whether converting energy consumption data (kWh/year) into monetary terms encourages the purchase of energy-efficient appliances. Based on field experiments and literature reviews, it finds that while monetary information can be effective, its success depends heavily on the appliance type and the method of delivery. For example, lifetime energy savings (LES) information is effective for fridges and washing machines when delivered via sales staff or labels, whereas lifetime energy cost (LEC) information is effective for A++ models of fridges, washing machines, and dishwashers when provided by sales staff. The authors suggest using QR codes on labels to address varying energy prices across EU countries.","ai_generated":true,"unit":"bc3res-000206#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The 'energy efficiency gap' refers to the frequent underinvestment in energy efficiency (EE) despite its ability to reduce energy consumption across different sectors.","ai_generated":true,"unit":"bc3res-000206#insight-1","date_modified":"2026-10-23"},{"text":"Converting energy consumption data from kWh/year into monetary information may help consumers overcome informational barriers by allowing them to perceive that future energy savings can offset the initial investment in energy-efficient products.","ai_generated":true,"unit":"bc3res-000206#insight-2","date_modified":"2026-10-23"},{"text":"The effectiveness of lifetime energy savings (LES) information varies by appliance and delivery method: it works for fridges when provided by sales staff or a combination of labels and staff, and for washing machines only when provided via a monetary label. No effect was observed for dishwashers.","ai_generated":true,"unit":"bc3res-000206#insight-3","date_modified":"2026-10-23"},{"text":"Lifetime energy cost (LEC) information is effective in increasing the purchase of A++ fridges, washing machines, and dishwashers when delivered by sales staff alone or in combination with a supplementary label.","ai_generated":true,"unit":"bc3res-000206#insight-4","date_modified":"2026-10-23"},{"text":"Literature reviews indicate no clear consensus on the effectiveness of monetary information, as results can be positive, negative, or null depending on the product category and consumer idiosyncrasies.","ai_generated":true,"unit":"bc3res-000206#insight-5","date_modified":"2026-10-23"},{"text":"While LES information generally yields better results than LEC, it is more complex to implement because it requires a benchmark for maximum energy consumption that must be updated regularly.","ai_generated":true,"unit":"bc3res-000206#insight-6","date_modified":"2026-10-23"},{"text":"To address the challenge of differing energy prices across European Union countries, the authors suggest incorporating QR codes into energy efficiency labels to link consumers to lifetime energy costs based on their specific country's average electricity price.","ai_generated":true,"unit":"bc3res-000206#insight-7","date_modified":"2026-10-23"}],"climate_tags":["energy efficiency","greenhouse gas emissions","climate policy"],"geography_discussed":["Spain"],"frame_perspective":[],"analysis_type":["policy brief","field experiment","literature review"]},{"id":"bc3res-000200","url":"https://climateinsightsdirectory.org/document/bc3res-000200","title":"Effectiveness of monetary information in promoting the purchase of energy-efficient appliances: evidence from a field experiment at a major retailer in Spain","publisher":{"name":"Basque Centre for Climate Change","organization":"basque-centre-for-climate-change"},"document_type":"research paper","language":"en","date_published":"2021-12","source_url":"https://www.bc3research.org/h6T8Uy8Nm4gFs0O/20220201082032238305588.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The study examined the impact of monetary information—delivered via sales staff and supplementary labels—on the purchase of washing-machines, fridges, dishwashers, and tumble-driers. Results indicate that while monetary information can increase the probability of buying A++ appliances, it often fails to nudge consumers toward the highest efficiency (A+++) models, likely due to price premiums. Additionally, the study identifies a 'memory effect' where previous regional rebate programmes continued to positively influence the purchase of A+++ appliances after the programmes had ended.","ai_generated":true,"unit":"bc3res-000200#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Providing monetary information via sales staff (Treatment 1) increased the probability of purchasing A++ washing-machines and dishwashers, but it decreased the probability of buying A+++ models for those same appliances and A+++ fridges.","ai_generated":true,"unit":"bc3res-000200#insight-1","date_modified":"2026-10-23"},{"text":"The combination of sales staff and supplementary labels (Treatment 2) increased the probability of purchasing A+++ tumble-driers by 4.01% compared to the control group, though it decreased the probability of buying A+++ washing-machines and dishwashers.","ai_generated":true,"unit":"bc3res-000200#insight-2","date_modified":"2026-10-23"},{"text":"The failure of monetary information to promote A+++ purchases for fridges and dishwashers is attributed to significant price differences; A+++ fridges cost 27.68% more and A+++ dishwashers cost 34.89% more than A++ models.","ai_generated":true,"unit":"bc3res-000200#insight-3","date_modified":"2026-10-23"},{"text":"Technical attributes significantly influence purchasing decisions: higher capacity increases the probability of buying A+++ washing-machines, and a greater number of services increases the probability of buying A+++ dishwashers.","ai_generated":true,"unit":"bc3res-000200#insight-4","date_modified":"2026-10-23"},{"text":"The study found a 'memory effect' from previous RENOVE rebate programmes, where the probability of buying A+++ appliances remained higher after the programme ended, specifically increasing by 0.8% for washing-machines, 4.5% for fridges, and 5.7% for dishwashers.","ai_generated":true,"unit":"bc3res-000200#insight-5","date_modified":"2026-10-23"},{"text":"Income levels in the area of purchase had heterogeneous effects: higher-income locations showed a greater probability of buying A++ fridges and C-labelled tumble-driers, but income was not statistically significant for washing-machines and dishwashers.","ai_generated":true,"unit":"bc3res-000200#insight-6","date_modified":"2026-10-23"},{"text":"Price is a major factor in decision-making; for washing-machines, the difference in lifetime energy cost (LEC) between A+++ and A++ models (€63.59) does not offset the higher purchase price (€78.36).","ai_generated":true,"unit":"bc3res-000200#insight-7","date_modified":"2026-10-23"}],"climate_tags":["energy efficiency"],"geography_discussed":["Andalusia","Catalonia","Basque Country","Valencia","Galicia","Balearic Islands","Region of Murcia"],"frame_perspective":[],"analysis_type":["field experiment","multinomial logistic regression"]},{"id":"sei-001052","url":"https://climateinsightsdirectory.org/document/sei-001052","title":"Assessing soil compaction on blanket bog","publisher":{"name":"Stockholm Environment Institute","organization":"stockholm-environment-institute"},"document_type":"research paper","language":"en","date_published":"2019-07-18","source_url":"https://www.sei.org/publications/assessing-soil-compaction-on-blanket-bog/","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The study found that while heavy machinery used for cutting did not cause lasting plot-level impacts on peat depth or bulk density, it did reduce surface micro-topography by approximately 2 cm by removing hummock tops. Burning showed no significant difference from uncut plots in these metrics. The authors suggest cutting is a suitable alternative to burning, though they note that compaction may be site-specific and micro-topography preservation may require adjustments to machinery and cutting height.","ai_generated":true,"unit":"sei-001052#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Mechanical cutting using heavy tractors did not result in lasting plot-level changes to peat depth or bulk density, indicating the peat showed resilience despite the use of heavy machinery.","ai_generated":true,"unit":"sei-001052#insight-1","date_modified":"2026-10-23"},{"text":"Mechanical cutting reduced plot micro-topography by approximately 2 cm, primarily through the removal of hummock tops, whereas burnt plots showed no difference compared to uncut plots.","ai_generated":true,"unit":"sei-001052#insight-2","date_modified":"2026-10-23"},{"text":"Cutting is considered a viable alternative to burning for grouse moor management, although the potential for soil compaction may vary based on peat type, machinery used, and activity at resting or turning points.","ai_generated":true,"unit":"sei-001052#insight-3","date_modified":"2026-10-23"}],"climate_tags":["peatland","carbon capture and storage"],"geography_discussed":["United Kingdom"],"frame_perspective":[],"analysis_type":["field experiment"]},{"id":"iisd-001588","url":"https://climateinsightsdirectory.org/document/iisd-001588","title":"LAKE 626 DIVERSION PROJECT","publisher":{"name":"International Institute for Sustainable Development","organization":"international-institute-for-sustainable-development"},"document_type":"fact sheet","language":"en","date_published":null,"source_url":"https://www.iisd.org/ela/wp-content/uploads/2017/05/iisd-ela-lake-626-diversion-project-infographic.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","analysis_type"],"summary":{"text":"The IISD-ELA Lake 626 Diversion Project investigates the ecological impacts of reduced water inputs on lake chemistry and fish. By constructing a diversion channel and dike in 2010, researchers reduced the watershed area from 388 ha to 74 ha and increased water residence time from 2.1 years to 10.9 years. This led to decreased dissolved organic carbon (DOC), allowing sunlight to penetrate deeper and warm the surface layer. Consequently, lake trout are spending more time in water with less than their ideal oxygen levels.","ai_generated":true,"unit":"iisd-001588#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The construction of a diversion channel and dike in 2010 significantly altered the hydrology of Lake 626, reducing the watershed area from 388 ha to 74 ha and increasing the water residence time from 2.1 years to 10.9 years.","ai_generated":true,"unit":"iisd-001588#insight-1","date_modified":"2026-10-23"},{"text":"Reduced water inputs led to a decrease in dissolved organic carbon (DOC), which increased sunlight penetration and the depth of the lake's warm surface layer.","ai_generated":true,"unit":"iisd-001588#insight-2","date_modified":"2026-10-23"},{"text":"The changes in water temperature and oxygen levels have negatively impacted lake trout, which are now spending more time in water that lacks their ideal amount of oxygen.","ai_generated":true,"unit":"iisd-001588#insight-3","date_modified":"2026-10-23"}],"climate_tags":["climate change"],"geography_discussed":[],"frame_perspective":[],"analysis_type":["field experiment","ecological monitoring"]},{"id":"wri-000833","url":"https://climateinsightsdirectory.org/document/wri-000833","title":"The Language of Sustainable Diets: A Field Study Exploring the Impact of Renaming Vegetarian Dishes on U.K. Café Menus","publisher":{"name":"World Resources Institute","organization":"world-resources-institute"},"document_type":"research paper","language":"en","date_published":null,"source_url":"https://www.wri.org/research/language-sustainable-diets-field-study-exploring-impact-renaming-vegetarian-dishes-uk-cafe","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","analysis_type"],"summary":{"text":"A field study in UK cafés found that renaming vegetarian dishes to emphasize taste, origin, or appealing plant-based descriptors significantly increased sales compared to labels highlighting the absence of meat.","ai_generated":true,"unit":"wri-000833#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Renaming vegetarian dishes to focus on taste or origin, or using appealing plant-based descriptors, led to a significant increase in sales compared to labels that highlighted the lack of meat, such as 'Meat-free' or 'Vegetarian'.","ai_generated":true,"unit":"wri-000833#insight-1","date_modified":"2026-10-23"},{"text":"The study demonstrates that food service providers can increase the selection of plant-based dishes by modifying the descriptive language used on menus.","ai_generated":true,"unit":"wri-000833#insight-2","date_modified":"2026-10-23"}],"climate_tags":["greenhouse gas emissions"],"geography_discussed":[],"frame_perspective":[],"analysis_type":["field experiment"]}]}