IEEE Geoscience and Remote Sensing Magazine - June 2021 - 108

two surveys, one immediately after the completion of each
training and a second, or impact, survey 6-12 months afterward
[5]. In the following sections, we present the results
for selected questions from the two surveys.
LEARNING EFFECTIVENESS
Between 2018 and 2019, 2,235 participants from Spanish-speaking
countries rated their improvement in three
knowledge categories and in their ability to access remote
sensing data (Figure 4). Survey data represent a subset of
the total number of participants depending on the completion
rate.
The overwhelming majority of participants noted
moderate to great improvement, with only 4-5% noting
no improvement. Spearman's correlations (rs) were
run to assess the relationship between the number of
ARSET trainings and the knowledge and abilities gained
by participants.
We found a positive correlation between learning outcomes
and the number of previous ARSET trainings attended,
and they were statistically significant for three
of the measures: understanding of remote sensing data
products appropriate to their work needs (rs = 0.109, p <
0.0001), ability to access remote sensing data (rs = 0.083;
p < 0.0001), and understanding how remote sensing data
can be used for environmental monitoring and decision
making (rs = 0.058; p = 0.0063). About 50% of program
participants have taken more than one ARSET training,
Air Quality
Water
Land
Disasters
34.6%
20.9%
39.8%
39.8%
35.7%
23.1%
30.8%
41.5%
14%
11.3%
9.2%
9.1%
30.5%
25.8%
20.2%
13.7%
FIGURE 3. The proportion of participants by geographical area for the four ARSET training themes. India is the second country with the
most participants. Values are based on the total program participation between 2009 and 2020 May.
All Other Countries (n = 15,920)
Spanish Speaking (n = 12,566)
India (n = 4,358)
United States (n = 9,052)
60
50
40
30
20
10
50.9%
51.9%
48.3% 47.2%
43.2%
44.3%
43.1%
51.8%
4.5%
5.9%
Understanding How RS
Data Can Be Used for
Environmental Monitoring
and Decision Making
Understanding the
Strength/Benefits and
Weaknesses/Limitations
of RS
Did Not Change
3.8%
Knowledge of the RS Data
That Are Appropriate
for My Needs
Improved Somewhat or Moderately
5%
Ability to Access RS
Data Products
Improved a Great Deal
FIGURE 4. The self-assessed change in knowledge and ability to access remote sensing data by respondents from Spanish-speaking countries
from all ARSET trainings in 2018 and 2019 (n = 2,235). RS: remote sensing.
108
IEEE GEOSCIENCE AND REMOTE SENSING MAGAZINE JUNE 2021
(%)

IEEE Geoscience and Remote Sensing Magazine - June 2021

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