Since 1986, he had directed or participated in the following research:
- October 2006 – poll concerning the performance of the government of Angola and the image of marks, for the weekly "Semanário Angolense", in a sample of inhabitants of Luanda (15 years old and more) [conception, sampling, coordination and data analysis].
- October 2006 – media audience research for TPA–Public Television of Angola, in a sample of inhabitants of Luanda (10 years old and more) [conception, sampling, coordination and data analysis].
- April & May 2006 – qualitative research concerning the "Politic power and system of government in Angola", for the Foundation Friedrich Ebert, with interviews with Angolan partisan officers [conception, coordination, interviews and data analysis].
- June & August 2006 – poll concerning the perception of young regarding the Social World, in a sample of young inhabitants of Luanda [conception, coordination, sampling and data analysis].
- August 2005 – qualitative research with young delinquents integrated in gangs of Luanda [conception, field work and data analysis].
- July 2005 – research concerning standards of sexual health, for the BBC World Trust, with focus groups in Benguela, Luanda and Mbanza Kongo [conception and data analysis].
- January 2005 – poll concerning the deposit and gathering of trash for the Company of Cleanness and Sanitation of Luanda (ELISAL), in a representative sample of family units of Luanda and the villages of Cacuaco and Viana [conception, coordination, sampling and data analysis].
- October 2004 – media poll for the Voice of America (VOA), in representative samples of the inhabitants of Luanda, Benguela, Huambo and Uíge [conception, coordination, sampling and data analysis] (including focus groups and a panel).
- April 2004 – diagnosis to the Angolan associations of disabilities, for the National Program of Rehabilitation of People with Disabilities of the Angolan Ministry of Health [conception, interviews 29 associations, data analysis and report].
- March 2004 – poll concerning the subjective evaluation of the performance of the Angolan government, for the weekly "Semanário Angolense", in a representative sample of adult inhabitants of Luanda [conception, sampling and data analysis].
- November 2003 – poll concerning the subjective perception of poverty, in a representative sample of inhabitants of Luanda [conception, sampling and data analysis].
- February 2003 – poll concerning the activity of UNITA after the death of its leader, for the weekly "Angolense", in a representative sample of adult inhabitants of Luanda [conception, sampling and data analysis].
- December 2002 – poll concerning the expectations about the new Angolan government, for the weekly "Angolense", in a representative sample of adult inhabitants of Luanda [conception, sampling and data analysis].
- November & December 2002 – media audience research for the Voice of America (VOA), in representative samples of inhabitants of Luanda, Cabinda, Huambo and Lubango [conception, sampling and data analysis] (it includes focus groups and a panel).
- November 2002 – poll concerning the general elections in Angola, for the weekly "Angolense", in a representative sample of adult inhabitants of Luanda [conception, sampling and data analysis].
- September 2002 – television audience research for the Public Television of Angola (TPA), in a representative sample of inhabitants of Luanda (10 years old and more) [conception, sampling, coordination and data analysis].
- June 2002 – study concerning the Program of promotion of auto-job (Angolan MAPESS), for the "International Bureau of Work", with qualitative interviews [conception, coordination and data analysis].
- April 2002 – media audience research, in a representative sample of adult inhabitants of Luanda [conception, sampling and data analysis].
- March of 2002 - poll concerning the consequences of the death of the leader of UNITA, for the weekly "Angolense", in a representative sample of adult inhabitants of Luanda [conception, sampling and data analysis].
- February 2002 – poll concerning the performance of the Angolan public agencies, for the weekly "Angolense", in a representative sample of adult inhabitants of Luanda [conception, sampling and data analysis].
- January 2002 – poll concerning the commercial activity in Luanda, for the weekly "Angolense" [conception, sampling and data analysis].
- September 2001 – television audience research, in a representative sample of adult inhabitants of Luanda [conception, sampling, coordination and data analysis].
- October 2000 – poll concerning national symbols and notoriety of public figures for the daily "Jornal de Angola", in a representative sample of adult inhabitants of Luanda [conception, sampling, coordination and data analysis].
- October/November 2000 – qualitative research concerning survival alternatives in Luanda (Cacuaco, Samba and Sambizanga), for the Portuguese Cooperation [conception, focus groups and data analysis].
- October & November 2000 – interviews with disabled people of Luanda, concerning way of life and survival alternatives [conception, interviews and data analysis].
- July & August of 2000 – media audience research for the station "Voice of America" (VOA), in representative samples of adult inhabitants of Luanda, Benguela and Lubango [conception, sampling, coordination and data analysis].
- February & March 2000 – poll concerning war and peace, in a representative sample of adult inhabitants of Luanda [conception, sampling, coordination and data analysis].
- February 2000 – qualitative study concerning the project of income generation with “quitandeiras” of Viana, in the province of Luanda [conception, coordination and data analysis].
- October 1999 – poll concerning the notoriety of marks, in a representative sample of the adult inhabitants of Luanda [conception, sampling, coordination and data analysis].
- May to August 1999 – poll concerning the conditions of life of the disabled of Luanda, to the Germany Cooperation (GTZ) [conception, sampling, coordination and data analysis].
- June & July 1998 – market research concerning the installation of the "Pólo de Desenvolvimento Industrial de Viana" (Industrial Development Pole of Viana) [conception, sampling, coordination and data analysis].
- December 1996 to March 1997 – qualitative research on displacement, in the provinces of Benguela and Malanje [conception, methodology and data analysis].
- August 1996 – market research concerning drink consumption for NOCAL, in a representative sample of the adult inhabitants of Luanda [sampling, conception and coordination ].
- June & July of 1996 – media research for the station "British Broadcasting Corporation" (BBC), in representative samples of the adult inhabitants of Luanda and Huambo [conception, sampling and coordination].
- June 1996 – qualitative research concerning drink consumption and image of beer marks for NOCAL, with 10 focus groups [conception, coordination and field work].
- October 1995 – qualitative research concerning the conditions of life of the inhabitants of Luanda, with focus groups [conception, coordination, field work and data analysis].
- September 1995 – qualitative research for the Public Television of Angola (TPA), concerning the opinion of teachers, pupils and parents of Luanda regarding the televising program "Boa Noite" – focus groups and interviews [conception, coordination, field work and data analysis].
- February 1995 – television research for the station Public Television of Angola (TPA), in a representative sample of inhabitants of Luanda [sampling, conception, coordination and data analysis].
- February 1995 – media audience research for the daily "Jornal de Angola", in a representative sample of inhabitants of Luanda [sampling, conception, coordination and data analysis].
- November 1994 – radio audience research for the station "Luanda Antena Comercial" (LAC), in a representative sample of inhabitants of Luanda [sampling, conception, coordination and data analysis].
- January 1994 – qualitative research concerning values and aspirations of secondary education pupils of Luanda (with focus groups) [conception, coordination, field work and data analysis].
- Since February 1993 – research concerning exchange in Luanda, with regular publication of results [sampling, conception and data analysis].
- May & June 1991 – evaluation of the health sector in Luanda for the Swedish Authority for International Development (ASDI) and the Angolan Ministry of Health [field work, data analysis and report – together with other investigators].
- 1989 – poll regarding the ethnic relations and of the adaptation of foreign students, in a national representative sample of foreign students in Poland [sampling, conception, coordination, field work and data analysis].
- 1986 – research regarding the ethnic relations in the Polish society, Warsaw [sampling, conception, coordination, field work and data analysis].
