Objective: This study aimed to translate and validate the Motivation to Change Lifestyle and Health Behaviors for Dementia Risk Reduction (MCLHB-DRR) scale among middle-aged and older Korean adults. Methods: This study included a sample of Korean adults aged ≥ 50 years recruited from an online panel. Content and construct validity were examined to determine the scale’s validity. Internal consistency and test-retest reliability were examined to determine its reliability. Results: A total of 270 participants completed the questionnaire. Content validity was determined by professors and researchers of occupational therapy. One item was deleted during the content validity assessment. The confirmatory factor analysis results showed a good model fit (χ 2/degree of freedom = 1.845, comparative fit index = 0.939, Tucker-Lewis index = 0.929, root mean square error of approximation = 0.056). Cronbach’s alpha values were 0.821 - 0.900, indicating good internal consistency. The test and retest scores did not differ significantly. Conclusion: The Korean version of the MCLHB-DRR scale has validity and reliability for use among the Korean population, to assess beliefs and attitudes toward lifestyle change to reduce the risk of dementia.

마약 중독은 만성재발장애인 동시에 뇌장애로 설명될 정도로 다른 중독에 비해 재 발은 쉽고 회복이 어려워 ｢마약류관리에 관한 법률｣에서는 마약류 중독자를 치료의 대상으로 보고 있으며, 무엇이 마약중독 치료 예후에 도움이 되는가는 치료자들의 가 장 큰 관심사이다. 본 연구는 무작위로 선정된 국내 교정시설 내 마약류사범 369명을 대상으로 한 중독재활치료에서 마약류사범 대상 한국어판 회복단계척도의 요인구조를 분석하고 신뢰도 및 타당도를 분석하였다. 탐색적 요인분석 결과, 회복과정으로서의 변화단계인 전숙고, 숙고, 실행, 유지 요인으로 4개 요인이 추출되었으며, 확인적 요인 분석의 결과는 척도의 적합도와 4요인 구조를 지지하였다. 신뢰도는 전체 .83, 전숙고 요인은 .82, 숙고 요인은 .79, 실행 요인은 .93, 유지 요인은 .81로 나타났다. 회복단 계가 상승할수록 단약자기효능감과 변화준비도 단계 및 치료열망 척도의 인식 및 행 동실천 요인과 정적상관을 보였고, 우울･불안･스트레스 척도 및 전숙고(중독문제를 부인함으로써 회복을 방해하는 것으로 인식되는 요인)와는 부적상관을 보였다. 이는 한국어판 회복단계척도가 원척도와 같이 네 가지 회복단계를 측정하며 치료의 유지 및 결과 예측의 유용한 척도임을 보여준다. 이와 같은 연구결과는 교정시설 내 마약류 사범의 중독특성을 탐색하고 회복가능성을 예측하여 마약 중독재활치료 프로그램을 효과적으로 운영하는 데에 도움이 될 것이다.

목적: 라이프스타일 행동에 반영된 가치체계를 측정하기 위한 Yonsei Lifestyle Profile-Values (YLP-V)의 구성타당도와 신뢰도를 검증하였다. 연구방법: 온라인 리서치 기관에 등록된 만 55세 이상의 지역사회 거주 중고령자 및 노인 300명을 대상으로 YLP-V를 사용하여 자료를 수집하였다. 수집된 자료는 기술통계, 차별기능문항, 요인분석을 실시하였다. 요인분석은 요인구조 추정을 위한 탐색적 요인분석과 4가지 경쟁모델(단일요인, 계층적 요인, 다차원 요인, 이중요인)에 대한 확인적 요인분석을 통해 비교하고 타당성을 확인하였다. 결과: 목표회전을 통한 탐색적 요인분석 결과, YLP-V의 활동(activity, 5문항), 관심(interest, 4문항), 의견 (opinion, 9문항)에서 목표행렬에서 0.4 이상의 부하량을 갖는 것을 확인하였다. 확인적 요인분석 결과, 이중요인 모델(χ2 = 164.58**, degree of freedom = 117, root mean square error of approximation = 0.05, standard root mean residual = 0.04, comparative fit index = 0.95, Turker Lewis index = 0.93)이 가장 우수하게 나타났다. 결론: 라이프스타일에서 미시적 접근이 가능한 YLP-V 개발 근거와 일관성 있는 요인구조를 확인하였다. 이는 YLP-V가 총 18문항의 활동, 관심, 의견에 대한 이중요인 구조로 타당성을 확인하였으며, 건강 라이프스타 일에서 행동에 반영된 가치체계 측정과 이해에서 활용될 수 있을 것이다.

After the major radioactivation structures (RPV, Core, SG, etc.) due to neutron irradiation from the nuclear fuel in the reactor are permanently shut down, numerous nuclides that emit alpha-rays, beta-rays, gamma-rays, etc. exist within the radioactive structures. In this study, nuclides were selected to evaluate the source term for worker exposure management (external exposure) at the time of decommissioning. The selection of nuclides was derived by sequentially considering the four steps. In the first stage, the classification of isotopes of major nuclides generated from the radiation of fission products, neutron-radiated products, coolant-induced corrosion products, and other impurities was considered as a step to select evaluation nuclides in major primary system structures. As a second step, in order to select the major radionuclides to be considered at the time of decommissioning, it is necessary to select the nuclides considering their half-life. Considering this, nuclides that were less than 5 years after permanent suspension were excluded. As a third step, since the purpose of reducing worker exposure during decommissioning is significant, nuclides that emit gamma rays when decaying were selected. As a final step, it is a material made by radiation from the fuel rod of the reactor and is often a fission product found in the event of a Severe accident at a nuclear power plant, and is excluded from the nuclide for evaluation at the time of decommissioning is excluded. The final selected Co-60 is a nuclide that emits high-energy gamma rays and was classified as a major nuclide that affects the reduction of radiation exposure to decommissioning workers. In the future, based on the nuclide selection results derived from this study, we plan to study the evaluation of worker radiation exposure from crud to decommissioning workers by deriving evaluation results of crud and radioactive source terms within the reactor core.

Background: Office workers experience neck or back pain due to poor posture, such as flexed head and forward head posture, during long-term sedentary work. Posture correction is used to reduce pain caused by poor posture and ensures proper alignment of the body. Several assistive devices have been developed to assist in maintaining an ideal posture; however, there are limitations in practical use due to vast size, unproven long-term effects or inconsistency of maintaining posture alignment. We developed a headphone and necklace posture correction system (HANPCS) for posture correction using an inertial measurement unit (IMU) sensor that provides visual or auditory feedback. Objects: To demonstrate the test-retest reliability and concurrent validity of neck and upper trunk flexion measurements using a HANPCS, compared with a three-dimensional motion analysis system (3DMAS). Methods: Twenty-nine participants were included in this study. The HANPCS was applied to each participant. The angle for each action was measured simultaneously using the HANPCS and 3DMAS. The data were analyzed using the intraclass correlation coefficient (ICC) = [3,3] with 95% confidence intervals (CIs). Results: The angular measurements of the HANPCS for neck and upper trunk flexions showed high intra- (ICC = 0.954–0.971) and inter-day (ICC = 0.865–0.937) values, standard error of measurement (SEM) values (1.05°–2.04°), and minimal detectable change (MDC) values (2.92°–5.65°). Also, the angular measurements between the HANPCS and 3DMAS had excellent ICC values (> 0.90) for all sessions, which indicates high concurrent validity. Conclusion: Our study demonstrates that the HANPCS is as accurate in measuring angle as the gold standard, 3DMAS. Therefore, the HANPCS is reliable and valid because of its angular measurement reliability and validity.

목적 : 본 연구는 라쉬 분석을 통해 장애 아동 부모의 한국판 의미있는 활동 참여 척도(Korea-Engagement Meaningful Activity Survey; K-EMAS)의 타당성을 검증하여 장애아동 부모의 활동에 대한 주관적 가치와 의미를 체계적으로 평가하고 측정할 수 있는 기초자료로 제시하고자 한다. 연구방법 : 장애 아동을 양육하는 부모 84명을 대상으로 K-EMAS 평가를 시행하였다. 이후, 라쉬 분석을 통하여 대상자 와 항목의 적합도, 평정척도, 항목 난이도, 분리 신뢰도를 분석하였다. 결과 : 84명의 대상자 중 설문이 끝까지 이루어지지 않거나 표기한 내용이 정확하지 않은 설문을 제외한 80부를 분석에 사용하였다. 분석에서 부적합 대상자로 나타난 9명의 결과를 제외하였으며, 이후 71부의 결과를 통해 항목 적합도의 분 석을 실시하여 12개 항목이 적합한 항목으로 나타났다. 또한, 항목 난이도 분석에서는 ‘창의성’ 항목이 가장 높은 난이도 로, ‘자신 돌보기’가 가장 낮은 난이도 항목으로 나타났다. 평정척도 분석 결과 5점 척도가 적합한 것으로 나타났으며, 대 상자 분리지수 4.98, 분리 신뢰도 0.96, 항목 분리 지수 2.02, 분리 신뢰도 0.80 으로 나타났다. 결론 : 본 연구는 장애 아동 부모를 대상으로 활동 참여를 객관적으로 판단할 수 있는 평가도구의 타당성을 검증하였다. 본 연구결과를 바탕으로 후속 연구에서는 문항 난이도를 조절하여 수정된 평가도구로 전국지역의 다양한 연령, 진단군의 아동의 부모를 대상으로 한 연구가 추후 이루어져야 할 것으로 보인다.

Background: Trunk movements are an important factor in activities of daily living; however, these movements can be impaired by stroke. It is difficult to quantify and measure the active range of motion (AROM) of the trunk in patients with stroke. Objects: To determine the reliability and validity of measurements using a digital goniometer (DG) and smart phone (SP) applications for trunk rotation and lateral flexion in stroke patients. Methods: This is an observational study, in which twenty participants were clinically diagnosed with stroke. Trunk rotation and lateral flexion AROM were assessed using the DG and SP applications (Compass and Clinometer). Intrarater reliability was determined using intraclass correlation coefficients (ICCs) with 95% confidence intervals. Pearson correlation coefficient was used to determine the validity of the DG and SP in AROM measurement. The level of agreement between the two instruments was shown by Bland–Altman plot and 95% limit of agreement (LoA) was calculated. Results: The intrarater reliability (rotation with DG: 0.96–0.98, SP: 0.98; lateral flexion with DG: 0.97–0.98, SP: 0.96) was excellent. A strong and significant correlation was found between DG and SP (rotation hemiplegic side: r = 0.95; non-hemiplegic side: r = 0.90; lateral flexion hemiplegic side: r = 0.88; non-hemiplegic side: r = 0.78). The level of agreement between the two instruments was rotation (hemiplegic side: 23.02° [LoA 17.41°, –5.61°]; non-hemiplegic side: 31.68° [LoA 23.87°, –7.81°]) and lateral flexion (hemiplegic side: 20.94° [LoA 17.48°, –3.46°]; non-hemiplegic side: 27.12° [LoA 18.44°, –8.68°]). Conclusion: Both DG and SP applications can be used as reliable methods for measuring trunk rotation and lateral flexion in patients with stroke. Although, considering the level of clinical agreement, DG and SP could not be used interchangeably for measurements.

지난 10여년간 성범죄자 재범위험성 평가는 학문적으로나 실무적으로 많은 발전을 이루어 왔다. 이러한 비약적 발전에도 불구하고, 선행연구들은 재범위험성 평가도구의 한계 중 하나로 범죄자 유형론에 관한 고려가 부족하다는 점을 지적하고 있다. 본 연 구는 이러한 주장의 타당성을 검증하는 것을 목표로 한다. 이를 위해‘한국형 성범죄자 재범위험성 평가도구(KSORAS: Korean Sex Offender Risk Assessment Scale)’ 를 활용하여, KSORAS가 아동/청소년 상대 성범죄자와 성인 상대 성범죄자의 재범위 험성을 적절히 예측하는지를 검증했다. 본 연구문제에 답하기 위해 전자감독명령이 부과된 성폭력사범 866명의 재범상황을 추적했다. 데이터 분석결과, KSORAS는 아 동/청소년 상대 성범죄자의 재범은 잘 예측함에 반해, 성인 상대 성범죄자의 재범은 상대적으로 잘 예측하지 못했다. 두 집단의 재범을 예측하는 문항들도 상이한 패턴을 보였다. 연구의 후반부에서는 성범죄자 유형론의 주장을 고려하여, 아동/청소년 상대 성범죄자 평가도구(KSORAS-MINOR)와 성인 상대 성범죄자 재범위험성 평가도구 (KSORAS-ADULT)를 각각 구성하고 그 예측타당도를 분석하였다. 분석 결과, 성범 죄자 유형론을 고려하지 않은 기존의 접근법에 비해, 기존 도구를 수정 개발한 성범죄 자 유형별 평가도구의 예측타당도는 통계적으로 유의미한 수준까지 향상되었다. 이러 한 결과를 바탕으로 향후 성범죄자 평가와 관련된 정책방향 및 후속연구의 제안점을 논의하였다.

본 연구에서는 stainless steel로 재질로 된 금속평막모듈을 이용하여 고플럭스가 유지되면서 처리수의 안정화 방 안을 모색하였다. 이 모듈은 기공사이즈가 13 μm 단위여서 플럭스가 60 LMH에서 100 LMH까지 고플럭스로 운전이 가능하 다 그러나 SS가 초기 운전 시 30~50 ppm 정도 유출되지만 SS가 응집핵으로 작용하므로 응집이 가능하게 된다. 기존 고분자 막 여과수는 응집핵이 없어서 coagulation은 되지만 floculation이 안되므로 추가적으로 응집보조제인 clay나 벤토나이트를 투 여하게 되는데 본 연구에서는 이런 응집보조제 필요 없이 SS 누출만으로 floculation이 되므로 총인처리와 처리수질이 안정성 을 도모하고자 하였다. 최종적으로 안정적인 처리수에 고플럭스가 가능한 Metal필터 운전이 MBR 시스템에서 적용가능한지 타당성을 연구하고자 하였다.

목적 : 본 연구는 아동의 운동기능과 운동협응의 능력을 측정하고 운동장애의 진단을 위해 사용하고 있는 Movement Assessment Battery for Children-2(Movement ABC-2)를 국내 아동에게 적용하기 위 해 타당도와 신뢰도를 알아보고자 한 것이다. 연구방법 : 연구에 참여한 대상자는 선정기준을 만족한 총 87명을 대상으로 하였다. 타당도와 신뢰도 검증에 앞서 국외에서 개발된 Movement ABC-2의 평가지와 매뉴얼 번역을 실시하였다. 타당도는 내용타 당도와 동시타당도, 판별타당도 검증을 실시하였다. 신뢰도는 내적일치도, 검사-재검사 신뢰도 검증을 실시하였다. 결과 : 내용타당도는 평균 I-CVI가 .93으로 나타났으며, 동시타당도는 BOT-2 short form과 백분위의 상관관계를 비교한 결과 .795으로 양의 상관관계를 확인할 수 있었다. BOT-2와의 영역 간 상관관계는 조준 및 잡기(aiming & catching), 균형(balance) 영역에서 비슷한 과제가 포함된 영역 간에 유의한 양의 상관관계가 나타났다. 판별타당도는 성별, 연령별 차이를 비교한 결과, 성별에서는 모든 항목이 유의한 차이가 나타나지 않았으며, 연령별 차이에서는 ‘매트위에서 점프하기’를 제외하고 유의한 차이를 확인 할 수 있었다. 내적일치도는 Cronbach’s α 값이 .577의 수준을 보였으며, 검사-재검사 신뢰도는 .766 의 수준이었다. 결론 : 본 연구를 통해 Movement ABC-2가 국내아동에게 사용하기에 타당한 검사도구임을 검증하였으 며, 국내 치료사 및 임상가가 사용하기에 신뢰할 수 있는 도구임을 검증하였다. 이는 추후 Movement ABC-2의 다양한 활용을 기대할 수 있을 것으로 사료된다.

There is a growing interest in exploring attribute non-attendance (ANA) in choice experiments. This study applied Random Response Share (RRS) approach for investigating inattention choice in choice experiments and assessed its out-of-sample predictive performance using 60 months of choice experiment data from 61,592 U.S households. Our results suggest that the RRS is not likely to be a dominant strategy to the conventional multinomial logit model in terms of the out-of-sample forecasting accuracy. However, the RRS could be a way to deal with attribute nonattendance when also considering the socio-economic characteristics of respondents.

Background: While the formal test has been used to provide a quantitative measurement of core stability, studies have reported inconsistent results regarding its test-retest and intraobserver reliabilities. Furthermore, the validity of the formal test has never been established. Objects: This study aimed to establish the concurrent validity and test-retest reliability of the formal test. Methods: Twenty-two young adults with and without core instability (23.1 ± 2.0 years) were recruited. Concurrent validity was determined by comparing the muscle thickness changes of the external oblique, internal oblique, and transverse abdominal muscle to changes in core stability pressure during the formal test using ultrasound (US) imaging and pressure biofeedback, respectively. For the test-retest reliability, muscle thickness and pressure changes were repeatedly measured approximately 24 hours apart. Electromyography (EMG) was used to monitor trunk muscle activity during the formal test. Results: The Pearson’s correlation analysis showed an excellent correlation between transverse abdominal thickness and pressure biofeedback unit (PBU) pressure as well as internal oblique thickness and PBU pressure, ranging from r = 0.856–0.980, p < 0.05. The test-retest reliability was good, intraclass correlation coefficient (ICC1,2) = 0.876 for the core stability pressure measure and ICC1,2 = 0.939 to 0.989 for the abdominal muscle thickness measure. Conclusion: Our results provide clinical evidence that the formal test is valid and reliable, when concurrently incorporated into EMG and US measurements.

Etymological approaches can be applied to textual research on the dates of ancient texts. An article titled “Textual Research on ‘Qing’” found the connotations of “Qing” in literature expanded from its original limited use of denoting “nature” to include the connotation of affection and presented a preliminary judgment on the age of some documents. Following and critiquing that article, this paper examines connotations of “Qing” in the Guodian Chu Jian and Kongzi Jiayu and discusses the prerequisites for using an etymological approach in order to ensure their validity. The etymological approach is helpful in determining the relative times of different ancient documents and may provide objective evidence, subject to certain conditions, for determining the likely date when the composition of ancient texts began. It reveals that the date for the Guodian Chu Jian is later than 296 BCE.

목적 : 본 연구는 여가 참여, 여가 탐색 및 방해요인에 대한 다면적 측정이 가능한 노인여가참여 평가도구가 뇌졸중 환자의 여가 평가도구로써 유용하게 사용될 수 있는지 알아보기 위해 신뢰도와 타당도를 검증한 연구이다. 연구방법 : 신뢰도 검증을 위해 뇌졸중 환자 64명이 참여하였으며, 노인여가참여 평가도구를 시행하여 내적 일치도를 분석하였다. 공인 타당도는 단축형 노팅햄 여가 설문지(The shortened version of the Nottingham Leisure Questionnaire)와의 상관관계를 분석하였다. 판별 타당도 검증을 위해 건강한 대 학생 55명이 참여하였고, 두 군간 노인여가참여 평가도구의 평가 결과를 비교하였다. 결과 : 내적 일치도는 전체 문항에 대한 크론바흐 알파 값은 .749로 높은 신뢰도를 나타냈고, 공인 타당도 결과는 단축형 노팅햄 여가 설문지 총점과 노인여가참여 평가도구의 여가 참여 문항 점수 간 상관계수가 .851로 높은 상관관계를 나타냈다(p < .01). 판별 타당도 결과는 두 그룹 간 여가 활동 수, 여가 탐 색의 활동 수, 방해요인에서 통계적으로 유의한 차이가 있는 것으로 나타났다(p < .01) 결론 : 노인여가참여 평가도구는 뇌졸중 환자를 대상으로 평가가 가능하다는 것을 신뢰도 및 타당도 검증을 통해 확인하였다. 여가 참여에 대한 다면적 측정이 이루어지는 노인여가참여 평가도구를 통해 뇌졸중 환자의 여가 중재 계획 및 실행에 유용하게 적용할 수 있기를 기대한다.

Background: Cross-culturally adapted questionnaires may not be comparable to their original version. Objects: To examine concurrent validity of two health-related quality of life (HRQOL) instruments for the Korean versions of EuroQOL-5 Dimension (EQ-5D) and the abbreviated version of the World Health Organization Quality of Life (WHOQOL-BREF) instrument. Methods: A total of 139 cancer survivors from two rehabilitation institutes was recruited. All participants were registered for palliative rehabilitation care. Both instruments were concurrently administered by health care providers following the second bout of the rehabilitation cares. Rasch partial credit model and Spearman’s correlation analysis were used to investigate: 1) dimensionality, 2) hierarchical item difficulty, and 3) concurrent validity using correlations between two instruments. Results: For the WHOQOL-BREF, all items except negative feeling, pain, dependence of medical aid, were found to be acceptable, while all items of EQ-5D were acceptable. There was an evidence of negative correlations between EQ-5D and 4 domains of WHOQOL-BREF. Two correlations were strong (EQ-5D vs. physical health domain, ρ = –0.610, 95% CI = –0.716 to –0.475) and moderate (EQ-5D vs. psychosocial domain, ρ = –0.402, 95% CI = –0.546 to –0.236). Other two correlations were weak (EQ-5D vs. social relationship and environmental domains, ρ = –0.242, 95% CI = –0.401 to –0.075 and ρ = –0.364, 95% CI = –0.514 to –0.207, respectively). Item difficulty calibrations of the two measurements were ranged from –0.84 to 0.86 for the EQ-5D and –1.07 to 1.06 for the WHOQOL-BREF. Conclusion: The study provides some supports for the concurrent validity of the two Korean versions of HRQOL instrument, with evidences of weak to strong correlations between the EQ- 5D and four domains of the WHOQOL-BREF applied to various cancer survivors. Additionally, the cancer survivors appeared to have more of a tendency to view the EQ-5D items as being slightly more challenging than the WHOQOL-BREF items.

Background: With the increasing elderly population, the need for gait analysis of these elderly individuals is also increasing. Most devices are costly and not portable; however, smartphones using built-in sensors capable of measuring motion and are easily available. Objectives: To examine the reliability and validity of knee joint angles of the elderly using smartphone measurements during walking. Design: Quasi-experimental research. Methods: Sixteen elderly people, aged 65+ and living in Daejeon and Chungbuk, South Korea, participated in the study. Electrogoniometers and smartphones were attached to the thigh and the side and front of the shank of each subject, respectively, using double-sided tape, an arm band, and an elastic band. Each subject completed two sets of at least seven gait cycles (14 steps). Results: Both the smartphones and electrogoniometers exhibited high agreement in terms of their primary and secondary measurements (ICC>.75). The agreement between the smartphones and electrogoniometers was also high in terms of both the primary and secondary measurements (ICC<.60). Conclusion: These results indicate that smartphones can be costly equipment cannot, even though they cannot completely replace existing clinical-grade devices. Their utility is emphasized herein for measuring knee joint angles of the elderly during walking.

Background: Although the original version of the health-related quality of life (HRQOL) questionnaires are found to be acceptable, the cross-culturally adapted versions may not be comparable to their original version. Objects: To examine dimensionality and construct validity of two Korean versions of the brief version of the World Health Organization Quality of Life (WHOQOL-BREF) and EuroQOL-5 dimension (EQ-5D) questionnaires. Methods: A total of 77 cancer survivors undergoing palliative rehabilitation programs from two rehabilitation institutes was recruited from April 16, 2018 to June 26, 2019. The WHOQOL- BREF and the EQ-5D were filled out by the various cancer survivors following a particular session of rehabilitation programs. The scores were analyzed with Winsteps Rasch analysis computer program using the rating scale model. Rasch fit statistics were used to determine the dimensionality and the item difficulty calibrations of WHOQOL-BREF and EQ-5D. Results: All items except two, negative feeling, need treatment function and pain prevent activity (mean square [MnSq] = 2.42, 1.82 and 2.51, respectively), were found to be acceptable, while two items of the EQ-5D, anxiety/depression and self-care, were misfit (infit MnSq = 1.65 and 0.38, respectively). Item difficulty calibrations of WHOQOL-BREF match person ability measures (i.e., HRQOL) fairly well. However, the person ability distribution showed obvious ceiling effects for EQ-5D. All items of EQ-5D were appeared to be less challenged in comparison with those of WHOQOL-BREF. Conclusion: Item-level analysis using the Rasch model supports the quality of culturally adapted items used to measure the HRQOL one exception; that is, whether or not to include misfit items as part of the HRQOL measurements. Additionally, cancer survivors undergoing palliative rehabilitation programs appear to have more of a tendency to view the EQ-5D items as being more challenging than the WHOQOL-BREF.

Background: The Functional Assessment of Chronic Illness Therapy (FACIT) for Dyspnea was developed to assess multidimensional dyspnea using two subscales (experience of dyspnea and functional limitation) and a total score. Objects: This study aimed to assess the reliability and validity of the Korean version of the FACIT-dyspnea 10-item short form questionnaire (FACIT-dyspnea-K). Methods: Subjects were 163 patients with cancer. Dyspnea-related scales (modified Medical Research Council scale [mMRC], European Organization for Research and Treatment of Cancer Quality of Life Questionnaire-Core 30 [EORTC QLQ-C30], Hospital Anxiety and Depression [HAD], and WHO Performance Scale) were used to validate the FACIT-dyspnea-K. Results: Internal consistency was confirmed by Cronbach’s alpha values of 0.90 and 0.95 in factors 1 and 2, respectively. Convergence validity was determined by comparing the two factors and total score of the FACIT-dyspnea-K with conceptually related assessment tools measuring the physical and emotional effects of dyspnea, with which correlations ranged from 0.364 to 0.567. Criterion validity was established by significant differences in the FACITdyspnea- K score between groups when the patients were classified by performance status as assessed by the WHO performance scale. Furthermore, the FACIT-dyspnea-K showed notable correlations with other dyspnea scales (mMRC, EORTC QLQ-C30, and HAD) for cancer patients (r = 0.28 to 0.54). The test-retest reliability of the two factors and total score of the FACITdyspnea- K appeared to be excellent (Cronbach’s alpha = 0.96 to 0.97). Conclusion: This study supports FACIT-dyspnea-K as a valid and reliable instrument to assess the dyspnea experience of cancer patients in clinical settings.