From Valente (1995) “In the mid-1960s, Rogers and others conducted an ambitious ‘three country study’ to determine influences on adoption of farm practices in Nigeria, India and Brazil. [...] Only in Brazil, and only for hybrid corn, did adoption of the innovation reach more than a small proportion of the farmers.”
brfarmersA data frame with 692 rows and 148 columns:
village number
respondent id
respondent's age
Lived outside of community
# of visits to large city
# of contacts with relatives
membership in coop
membership in organizations
Patriarchalism score
Literate
# of newspapers or mags pr mon
subscribe to news
Own radio
Frequency radio listening
program preference
frequency Tv viewing
freq movie attendance
freq letter writing
total # of sources used for ag
Ever used practice A
Ever used practice B
Ever used practice C
Ever used practice D
Ever used practice E
Ever used practice F
Ever used practice G
Ever used practice H
Ever used practice I
Ever used practice J
Ever used practice K
Ever used practice L
A year of adoption
B year of adoption
C year of adoption
D year of adoption
E year of adoption
F year of adoption
G year of adoption
H year of adoption
I year of adoption
J year of adoption
K year of adoption
L year of adoption
A Current use
B Current use
C Current use
D Current use
E Current use
F Current use
G Current use
H Current use
I Current use
J Current use
K Current use
L Current use
Source of aware in A
Years ago 1st aware
Source of more info on A
Most influential source
use during trial stage
total # of practices adopted
Future attitude
Achievement Score
Attitude toward credit
Score on functional literacy t
Communication with ACAR repres
Economic knowledge
recognize any change agent act
# of home & farm equips owned
political knowledge score
income
total land area in pasture
total land area planted
# of cows giving milk
total land owned
respondent named as friend
respondent named as ag adv
respondent named for practic A
respondent named for practic B
respondent named for practic C
polymorphic OL for 3 practices
respondent named for loan
resp named for price info
resp named for coop comm proj
counterfactuality score
opinionness score
years of schooling by resp
political know 1
political know 2
political know 3
political know 4
political know 5
innovativeness time
adoption percent
# of practices discontinued
Mass media credibility
Trust
Status inconsistency
N achievement motivation
Attitude toward credit
Risk taking
Social participate
patriarchy
attit to credit for product
visitin cities
non-dependence on farming
OL total 7 items t-score
overall innovativeness score
cosmo index
mass media exposure index
empathy index
achievement motivation index 5
achievement motivation index 7
political knowledge index
mass media credibililty index
OL index
Actual Year of Adoption
— MISSING INFO —
Time of Adoption
Triangular values used as appro
high low percent of diffusion
— MISSING INFO —
new or old villages
card number
Source: radio
Source: TV
Source: Newpaper
Source: Magazine
Source: ACAR Bulletin
Source: Agronomist
Source: Neighbor
— MISSING INFO —
— MISSING INFO —
nomination friend 1
nomination friend 2
nomination friend 3
nomination influential 1
nomination influential 2
nomination influential 3
nomination practice A
nomination practice B
nomination practice C
nomination coop comm proj
— MISSING INFO —
Number of community
Time of Adoption
— MISSING INFO —
Number of study in Valente (1995)
The Brazilian Farmers data were collected as part of a USAID-funded study of farming practicing in the three countries, India, Nigeria, and Brazil. There was only one wave of data that contained survey questions regarding social networks, and only in Brazil did diffusion of the studied farming innovations reach an appreciable saturation level- that was for hybrid seed corn. The data were stored along with hundreds of other datasets by the University of Wisconsin library and I, Tom Valente, paid a fee to have the disks mailed to me in the early 1990s.
The dataset has 692 respondents (farmers) from 11 communities. Collected during 1966, it spans 20 years of farming pracitices.
Rogers, E. M., Ascroft, J. R., & Röling, N. (1970). Diffusion of Innovation in Brazil, Nigeria, and India. Unpublished Report. Michigan State University, East Lansing.
Valente, T. W. (1995). Network models of the diffusion of innovations (2nd ed.). Cresskill N.J.: Hampton Press.
Other diffusion datasets:
brfarmersDiffNet,
diffusion-data,
fakeDynEdgelist,
fakeEdgelist,
fakesurveyDyn,
fakesurvey,
kfamilyDiffNet,
kfamily,
medInnovationsDiffNet,
medInnovations