Results 21 to 30 of about 4,049,770 (316)

Responses of four submerged macrophytes to freshwater snail density (Radix swinhoei) under clear‐water conditions: A mesocosm study

open access: yesEcology and Evolution, 2020
Macrophytes play a key role in stabilizing clear‐water conditions in shallow freshwater ecosystems. Their populations are maintained by a balance between plant grazing and plant growth.
Yongwei Zhi, Yang Liu, Wei Li, Yu Cao
doaj   +1 more source

Negative effects of positive reinforcement [PDF]

open access: yesThe Behavior Analyst, 2003
Procedures classified as positive reinforcement are generally regarded as more desirable than those classified as aversive-those that involve negative reinforcement or punishment. This is a crude test of the desirability of a procedure to change or maintain behavior.
openaire   +2 more sources

Negative triangles : simple geometric shapes convey emotional valence [PDF]

open access: yes, 2012
It has been suggested that downward pointing triangles convey negative valence, perhaps because they mimic an underlying primitive feature present in negative facial expressions (Larson, Aronoff, and Stearns, 2007). Here, we test this proposition using a
Evans, Chesney   +7 more
core   +1 more source

Psychology of Safety and Resistance to Terrorism [PDF]

open access: yesPsychology in Russia: State of Art, 2011
In the article main parameters of any emergency situation that influence the psychological stress intensity are described. The most frequent consequences of emergency situations are discussed.
Mikhail V. Potapov   +1 more
doaj  

Negativity Effect and the Emergence of Ideologies [PDF]

open access: yesJournal of Theoretical Politics, 1997
`Negativity effect' refers to the psychological phenomenon that people tend to attach greater weight to negative information than to equally extreme and equally likely positive information in a variety of information-processing tasks. Numerous studies of impression formation have found that negative information is weighted more heavily than positive ...
openaire   +5 more sources

Accentuate the Negative [PDF]

open access: yesPsychological Science, 2006
Three studies investigated the capacity of negative acknowledgment, the admission of an unfavorable quality, to elicit relatively positive responses. In Study 1, an acknowledgment that a written paragraph was confusing led individuals to rate the paragraph as clearer than they did when no acknowledgment was offered.
Ward, Andrew, Brenner, L.
openaire   +3 more sources

The effect of interest on negative surplus

open access: yesInsurance: Mathematics and Economics, 1997
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Dickson, David C. M.   +1 more
openaire   +3 more sources

A NEGATIVE MATERNAL EFFECT IN SPRINGT AILS [PDF]

open access: yesEvolution, 1988
Etude des composantes du fitness telles que la fecondite, l'âge et le poids a maturite chez Orchesella cincta, estimation des heritabilites et correlations genetiques basees sur des analyses semiparentales pour differents caracteres quantitatifs chez Orchesella ...
Gerard M, Janssen   +3 more
openaire   +2 more sources

The route to improve the effectiveness of negative PSAs

open access: yesJournal of Business Research, 2021
Para alentar a las personas a comportarse de una manera más socialmente responsable o saludable, muchos anuncios de servicio público (PSA) ilustran dramáticamente las graves consecuencias de los comportamientos sociales o de salud indeseables. Sin embargo, aunque informativos, tales anuncios de servicio público enmarcados negativamente pueden generar ...
Jingjing Ma, Zichuan Mo, David Gal
openaire   +2 more sources

Sunset transition of negative charge in the D-region ionosphere during high-ionization conditions [PDF]

open access: yes, 2006
International audienceThe solar proton event of October 1989 and especially the sunset of 23 October is examined in this study of negative ion chemistry, which combines measurements of nitric oxide, electron density, and cosmic radio noise absorption ...
E. Turunen   +10 more
core   +1 more source

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