نتایج جستجو برای: psychological element

تعداد نتایج: 342354  

2010
Mark Hamer G. David Batty Emmanuel Stamatakis Mika Kivimaki

There is conflicting evidence regarding the association of hypertension with psychological distress, such as anxiety and depressive symptoms. The association may be because of a direct effect of the raised blood pressure, adverse effects of treatment, or the consequences of labeling. In a representative study of 33 105 adults (aged 51.7 12.1 years; 45.8% men), we measured levels of psychologica...

Journal: :Theory and practice of modern psychology 2020

Journal: :Journal of the experimental analysis of behavior 1958
E HEARST

The differences in behavioral effects between interval and ratio reinforcement have been pointed out by several investigators (1, 6, 9, 15), and reveal themselves most clearly in comparisons of over-all response rates, temporal patterns of cumulative-response curves, and subsequent extinction responding. In view of the different procedures followed by the experimenter and these contrasting beha...

Journal: :Journal of comparative psychology 2013
Jonathan Buriticá Leonardo A Ortega Mauricio R Papini Germán Gutiérrez

Japanese quail (Coturnix japonica) were reinforced with food for traversing a runway for either 18 or 36 trials, administered at a rate of 1 trial per day. Then, all animals received 18 extinction trials. The latency to run from the start box to the goal box was the dependent variable. Extinction was significantly slower in animals that had received 50% partial reinforcement during acquisition,...

Journal: :Behavioural processes 1999
M A Rodriguez-Girones A Kacelnik

We study the dynamics of behavioral transitions when European starlings (Sturnus vulgaris) experience stepwise changes in the value of a meaningful time interval. Subjects were primed to respond at a certain time T1. After extensive training, the primed time changed to a new value T2. In Experiment 1 subjects were reinforced on 40% of the trials and they experienced a single transition which la...

Journal: :journal of dental school, shahid beheshti university of medical sciences 0
ahmad najafi dept. of operative dentistry, school of dentistry, shahid beheshti university of medical sciences, tehran, iran. narges panahandeh dept. of operative dentistry, school of dentistry, shahid beheshti university of medical sciences, tehran, iran. abdolmajid bahreinian siamak sabour seyyed bahaodin mahmoodi

objectives: this study sought to assess the level of stress in general dentists in the 2nd district of tehran city in 2014 to find out the stressors and suggest strategies to overcome them. methods: this descriptive, analytical, cross-sectional study was conducted on 130 general dentists from the 2nd district of tehran city selected via weighted randomization. level of stress was assessed using...

Journal: :iranian journal of psychiatry and behavioral sciences 0
fatemeh abdollahi department of public health, school of health, mazandaran university of medical sciences, sari, iran. farideh rezaie abhari department of midwifery, school of nursing and midwifery, mazandaran university of medical sciences, sari. jamshid yazdani charati psychiatry and behavioral research center, addiction institute, department of statistics, school of health, mazandaran university of medical sciences, sari, iran samad rouhani department of public health, school of health, mazandaran university of medical sciences, sari, iran.

objective: violence during pregnancy has been associated with adverse pregnancy outcomes. this study aimed to explore the link between psychological violence (psv) and pregnancy outcomes in terms of maternal and birth for the first time in women attending mazandaran university of medical sciences (mums) primary health centers (phcs) in iran. methods: prospective cohort of 1461 pregnant women ex...

Journal: :iranian journal of nursing and midwifery research 0
arash najimi ali moazemi goudarzi gholamreza sharifirad

background: nursing is naturally a stressful job. stress in nurses can cause depression, isolation from patients, absence and decrease in their qualification. this study aimed to determine the causes of job stress in nurses of kashan, iran. materials and methods: in this cross-sectional study, 189 nurses from kashan hospitals of different wards were studied. the information collection tool was ...

Journal: :caspian journal of neurological sciences 0
farshid alipour department of clinical psychology, faculty of psychology and educational sciences, kharazmi university, tehran, iran; alipoorfarshid@yahoo.com jafar hasani elahe bodaghi mazaher bodaghi saber saeedpour

background: hypoactive sexual desire disorder is the most common sexual disorder among women, which interferes with their various functions. activity of brain-behavioral and psychological distress systems are considered among factors affecting sexual function. objectives: the present study aimed to compare women with hypoactive sexual desire and normal women in terms of brain-behavioral and psy...

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