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Examining Rater Judgements in Music Performance Assessment using Many-Facets Rasch Rating Scale Measurement Model

Ooi PS, Engelhard G

J Appl Meas, 2019;20(1):79-99.
PMID: 30789834

The fairness of raters in music performance assessment has become an important concern in the field of music. The assessment of students' music performance depends in a fundamental way on rater judgements. The quality of rater judgements is crucial to provide fair, meaningful and informative assessments of music performance. There are many external factors that can influence the quality of rater judgements. Previous research has used different measurement models to examine the quality of rater judgements (e.g., generalizability theory). There are limitations with the previous analysis methods that are based on classical test theory and its extensions. In this study, we use modern measurement theory (Rasch measurement theory) to examine the quality of rater judgements. The many-facets Rasch rating scale model is employed to investigate the extent of rater-invariant measurement in the context of music performance assessments related to university degrees in Malaysia (159 students rated by 24 raters). We examine the rating scale structure, the severity levels of the raters, and the judged difficulty of the items. We also examine the interaction effects across musical instrument subgroups (keyboard, strings, woodwinds, brass, percussions and vocal). The results suggest that there were differences in severity levels among the raters. The results of this study also suggest that raters had different severity levels when rating different musical instrument subgroups. The implications for research, theory and practice in the assessment of music performance are included in this paper.
Fulltext Functional assessment of sequential coronary artery fistula and coronary artery stenosis with fractional flow reserve and stress adenosine myocardial perfusion imaging

Yew KL, Ooi PS, Law CS

J Saudi Heart Assoc, 2015 Oct;27(4):283-5.
PMID: 26557747 DOI: 10.1016/j.jsha.2015.03.008

Coronary artery fistula is an abnormal connection between one coronary artery to another coronary artery or cardiac chambers. The coronary artery fistula may cause significant shunting of blood and cause "pseudo-stenosis" or "steal phenomenon". This will also accentuate pre-existing mild-moderate de novo coronary lesions with resultant greater pressure gradient difference across the lesions. Thus, fractional flow reserve can be a useful tool to guide intervention decision on the coronary artery fistula. There are very few published reports regarding the use of FFR to assess coronary artery fistula. In fact, there is no outcome data regarding the deferment of coronary artery fistula intervention when the FFR is not physiologically significant. This case highlighted the use of FFR to evaluate the functional significance of coronary fistula in the setting of ischemia evaluation and it was proven to be safe to defer intervention with good 3 year clinical outcome. Stress adenosine myocardial perfusion imaging correlated with the FFR result.
Fulltext The entrapped and unravelled coronary wire

Yew KL, Ooi PS, Rajendran P, Razali F, Anum A, Yeo J, et al.

Med J Malaysia, 2014 Oct;69(5):224-6.
PMID: 25638236 MyJurnal

No abstract available.
Methamphetamine-associated reversible cardiomyopathy and stroke risk

Yew KL, Go CS, Razali F, Rajendran P, Ooi PS, Anum A

Eur Rev Med Pharmacol Sci, 2014;18(17):2403-4.
PMID: 25268081
Fulltext Mammary Paget's Disease of the Nipple: Relatively Common but Still Unknown to Many

Ooi PS, Draman N, Yusoff SSM, Zain WZW, Ganasagaran D, Chua HH

Korean J Fam Med, 2019 Jul;40(4):269-272.
PMID: 30486607 DOI: 10.4082/kjfm.17.0143

Mammary Paget's disease is clinically defined as skin inflammation of the nipple area and is an adenocarcinoma of the epidermis of the nipple. The pathogenesis of mammary Paget's disease is relatively unknown; nonetheless, there are two popular theories that support the underlying carcinoma and de novo carcinogenesis. For the attending medical practitioner, mammary Paget's disease poses a diagnostic and therapeutic dilemma, especially in the absence of a clinically palpable breast mass. We report a rare case of a 48-year-old Malay woman who presented at Hospital Universiti Sains Malaysia, Kelantan, Malaysia with the symptom of skin erosion on the left nipple and unresponsiveness to multiple topical treatments. A full evaluation and assessment of the patient were conducted, and mammary Paget's disease was diagnosed.
Fulltext Sexual Dysfunction Among Women With Breast Cancer in the Northeastern Part of West Malaysia

Ooi PS, Draman N, Muhamad R, Yusoff SSM, Noor NM, Haron J, et al.

Sex Med, 2021 Jun;9(3):100351.
PMID: 34030061 DOI: 10.1016/j.esxm.2021.100351

INTRODUCTION: Female sexual dysfunction (FSD) is a common complication among breast cancer patients following treatment.
AIM: To assess the prevalence and factors associated with FSD among breast cancer patients in Kelantan.
METHODS: This cross-sectional study recruited female patients, aged 18-65, who were married and sexually active with their partner, diagnosed with breast cancer, and had undergone breast surgery. Those with underlying psychiatry disorders, previous pelvic surgery, and husbands with sexual problems were excluded. The questionnaire contained demographic and clinical information, together with the Malay Version of the Breast Impact of Treatment Scale and the Malay Version of Female Sexual Distress Scale-Revised. Their sexual function was evaluated using the Malay Version of the Female Sexual Function Index-6. The data were analyzed with simple and multiple linear regressions.
MAIN OUTCOME MEASURES: The prevalence and associated factors for FSD in breast cancer patients.
RESULTS: Ninety-four eligible patients were recruited for this study. In total, 73.4% (n = 69) of the patients reported having sexual dysfunction. A family history of breast cancer (P = 0.040), duration of marriage (P = 0.046), and frequency of sexual intercourse (P = 0.002) were significant factors associated with FSD in breast cancer patients after surgery.
CONCLUSION: The significant associated factors shown to influence the FSD score include family history of breast cancer, duration of marriage, and frequency of sexual intercourse. About 73.4% of patients have risk of developing FSD after receiving breast cancer treatment. Siang OP, Draman N, Muhamad R, et al. Sexual Dysfunction Among Women With Breast Cancer in the Northeastern Part of West Malaysia. Sex Med 2021;9:100351.