Psychophysical studies have shown that human perception of the frequency content of sounds, either for pure tones or for speech signals, does not follow a linear scale. This research has led to the idea of defining subjective pitch of pure tones. Thus for each tone with an actual frequency, f, measured in Hz, a subjective pitch is measured on a scale called ''Mel'' scale. As a reference point, ...

Research on the Wechsler Adult Intelligence Scale-Revised and Wechsler Adult Intelligence Scale-Third Edition (WAIS-III) suggests that practicing clinical psychologists and graduate students make item-level scoring errors that affect IQ, index, and subtest scores. Studies have been limited in that Full-Scale IQ (FSIQ) and examiner administration, recording, and scoring tasks have not been syste...

the measurement of rts amounts measures a relationship between inputs and outputs in a production structure. there are many different ways to calculate rts in primal or dual space. but in more realistic cases, governments usually intervene on dmu’s behavior as regulatory agency, this clearly represent a set of limitations and restrictions on behaviors of dmus, so very few decisions in dmus are ...

conclusions the persian version of dad, during the study, had a very good validity and reliability and can serve as a useful scale in clinical assessment of functional disability in patients with alzheimer’s in the area of activities of daily living. background as dementia progresses in the course of life, one's functions may be reduced regarding to fulfill the activities of daily living. one o...

background: our aim was to forward an effective therapeutic approach by comparing efficacy and psychological states between patients with senile ischemic heart failure undergone icu and conventional therapies. methods: we selected 64 patients from hospital of traditional chinese medicine of rizhao (shandong, china) between june 2013 and june 2014. the patients had ischemic heart disease, and we...

separation anxiety disorder (sad) is the most commonly diagnosed and impairing childhood anxiety disorder. given that sad symptoms in early childhood have been linked to later psychopathology, early identification and treatment of it is critical. the aim of the present study was the examination of validity and reliability of separation anxiety assessment scale-parent version (saas-p) (hahn, haj...

Article history: Received 17 May 2011 Accepted 14 May 2012 Available online 24 May 2012

Factor analysis for responses to the WAIS-R by 1,630 adults of the Italian standardization sample produced two factor solutions in different age groups, and showed high factorial similarity when compared with the same American solution. An estimate of g factor and variance components showed some difference with American data: a lower proportion of g and common variance, and a greater specificit...

Evidence suggests that scores on various intelligence tests have been rising at a fast rate. To find out whether performance on the Wechsler Adult Intelligence Scale (WAIS) Vocabulary subtest has also been rising, the authors searched major psychology journals for investigations involving healthy younger and older adult participants and collected the reported WAIS Vocabulary scores. The meta-an...