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"Tendencias" is a form of "tendencia", a noun which is often translated as "tendency". "Incidencia" is a noun which is often translated as "impact". Learn more about the difference between "incidencia" and "tendencias" below.
la incidencia(
een
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see
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dehn
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syah
)A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
1. (result)
a. impact
La incidencia de la crisis financiera en Europa fue notable a partir de 2008.The impact of the financial crisis in Europe was notable from 2008 on.
b. effect
El mayor cambio en los últimos 25 años es la incidencia que la computadora ha tenido en nuestras vidas.The biggest change in the last 25 years is the effect computers have had on our lives.
2. (occurrence)
a. incidence
La incidencia de fallecimientos por el ébola se redujo el año pasado.There was a decrease in the incidence of deaths caused by the ebola virus last year.
4. (geometry)
a. incidence
El problema consiste en medir el punto de incidencia entre las varias líneas del objeto.The problem involves measuring the point of incidence between the various lines of the object.
la tendencia(
tehn
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dehn
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syah
)A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
a. tendency
El paciente presenta signos de gran ansiedad y tendencias suicidas.The patient shows signs of deep anxiety and suicidal tendencies.
b. trend
La encuesta revela que existe una tendencia a comer más sano.The survey indicates a trend toward healthier diets.
c. leanings
Pertenece a un partido de tendencia izquierdista.He's a member of a party with left-wing leanings.
2. (propensity)
a. tendency
Yo tengo más tendencia a engordar que mi hermana.I have a greater tendency to put on weight than my sister.