Onderzoeksoutput

2015

Reliability and validity of ten consumer activity trackers

Kooiman, T., Dontje, M. L., Sprenger, S., Krijnen, W., van der Schans, C. & de Groot, M., 2015, In : BMC sports science, medicine and rehabilitation. 7, 24, blz. 1-12

Onderzoeksoutput: ArticleAcademicpeer review

Open Access
Bestand
125 Downloads (Pure)

Reliability of the modified Gross Motor Function Measure-88 (GMFM-88) for children with both Spastic Cerebral Palsy and Cerebral Visual Impairment: a preliminary study

Salavati, M., Krijnen, W., Rameckers, E. A. A., Looijestijn, P. L., Maathuis, C. G., van der Schans, C. & Steenbergen, B., 25 jul 2015, In : Research in developmental disabilities. 45-46, blz. 32-48

Onderzoeksoutput: ArticleAcademicpeer review

Reliability of the modified paediatric evaluation of disability inventory, Dutch version (PEDI-NL) for children with cerebral palsy and cerebral visual impairment

Salavati, M., Waninge, A., Rameckers, E. A. A., de Blécourt, A. C. E., Krijnen, W., Steenbergen, B. & van der Schans, C., feb 2015, In : Research in developmental disabilities. 37, blz. 189-201

Onderzoeksoutput: ArticleAcademicpeer review

Validation of the Dutch version of the quick mild cognitive impairment screen (Qmci-D)

Bunt, S., O'Caoimh, R., Krijnen, W., Molloy, D. W., Goodijk, G-P., van der Schans, C. & Hobbelen, H., 2 okt 2015, In : BMC geriatrics. 15, 115, 8 blz.

Onderzoeksoutput: ArticleAcademicpeer review

Open Access
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66 Downloads (Pure)

Validation of the Dutch version of the Quick Mild Cognitive Impairment Screen (Qmci-D)

Bunt, S., O’Caoimh, R., Krijnen, W., Molloy, D. W., Goodijk, G-P., van der Schans, C. & Hobbelen, H., apr 2015. 1 blz.

Onderzoeksoutput: PosterOther research output

What type, or combination of exercise can improve preferred gait speed in older adults? a meta-analysis

van Abbema, R., de Greef, M., Crajé, C., Krijnen, W., Hobbelen, H. & van der Schans, C., 1 jul 2015, In : BMC geriatrics. 15, 72, blz. 1-16

Onderzoeksoutput: ArticleAcademicpeer review

Open Access
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78 Downloads (Pure)
2014

Aggregation level determines reliability of accelerometer Fitbit Ultra

de Groot, M., Lengton, R., van der Schans, C., Dontje, M. L. & Krijnen, W., 10 mei 2014. 1 blz.

Onderzoeksoutput: PosterOther research output

Open Access

Effect of nocturnal haemodialysis on body composition

Ipema, K., Westerhuis, R., van der Schans, C., de Jong, P. E., Gaillard, C. E., Krijnen, W., Slart, R. H. & Franssen, C. F., 2014, In : Nephron clinical practice. 128, 1-2, blz. 171-177

Onderzoeksoutput: ArticleAcademicpeer review

Bestand
74 Downloads (Pure)
2013
Open Access

Multidimensional structure of the Groningen Frailty Indicator in community-dwelling older people.

Bielderman, A., van der Schans, C., van Lieshout, M. R., de Greef, M., Boersma, F., Krijnen, W. & Steverink, N., 2013, In : BMC geriatrics. 22, 13, 9 blz.

Onderzoeksoutput: ArticleAcademicpeer review

Open Access

Quality of life among prostate cancer patients: a prospective longitudinal population-based study

Schaake, W., de Groot, M., Krijnen, W., Langendijk, J. A. & van den Bergh, A. C. M., aug 2013, In : Radiotherapy and oncology. 108, 2, blz. 299-305

Onderzoeksoutput: ArticleAcademicpeer review

Quality of life among prostate cancer survivors: a longitudinal population based study

Schaake, W., de Groot, M., Krijnen, W., Langendijk, J. A. & van den Bergh, A. C. M., 2013. 1 blz.

Onderzoeksoutput: PosterOther research output

Quantifying daily physical activity and determinants in sedentary patients with Parkinson's disease

Dontje, M. L., de Greef, M., Speelman, A. D., Nimwegen, M., Krijnen, W., Stolk, R. P., Kamsma, Y. P., Bloem, B. R., Munneke, M. & van der Schans, C., okt 2013, In : Parkinsonism & related disorders. 19, 10, blz. 878-882

Onderzoeksoutput: ArticleAcademicpeer review

Open Access

Validity of bioelectrical impedance analysis to assess fat-free mass in head and neck cancer patients: an exploratory study

Jager-Wittenaar, H., Dijkstra, P., Earthman, C., Krijnen, W., Langendijk, J., van der Laan, B., Pruim, J. & Roodenburg, J., 2013, In : Head & neck. 36, 4, blz. 585-591

Onderzoeksoutput: ArticleAcademicpeer review

Open Access

Validity of bioelectrical impedance analysis to assess fat−free mass in head and neck cancer patients: an exploratory study

Jager-Wittenaar, H., Dijkstra, P., Earthman, C., Krijnen, W., Langendijk, J. A., van der Laan, B., Pruim, J. & Roodenburg, J., 2013. 1 blz.

Onderzoeksoutput: PosterOther research output

2012
Open Access
Bestand
54 Downloads (Pure)
2011

Daily physical activity in patients with chronic obstructive pulmonary disease: a systematic review.

Bossenbroek, L., de Greef, M. H. G., Wempe, J. B., Krijnen, W. P. & Ten Hacken, N. H. T., 2011, In : COPD: journal of chronic obstructive pulmonary disease. 8, 4, blz. 306-319

Onderzoeksoutput: ArticleAcademicpeer review

2010

Best linear predictors for factor scores

Krijnen, W. P., Wansbeek, T. & ten Berge, J. M. F., 23 dec 2010, In : Communications in statistics - Theory and methods. 25, 12, blz. 3013-3025

Onderzoeksoutput: ArticleAcademicpeer review

2006
2004

Convergence in mean square of factor predictors.

Krijnen, W. P., 2004, In : The British journal of mathematical and statistical psychology. 57, Pt 2, blz. 311-326

Onderzoeksoutput: ArticleAcademicpeer review

2002

On the construction of all factors of the model for factor analysis.

Krijnen, W. P., mrt 2002, In : Psychometrika. Vol 67(1). 67, 1, blz. 161-172 12 blz.

Onderzoeksoutput: ArticleAcademicpeer review

1999

A note on the parameter set for factor analysis models

Krijnen, W. P., 1999, Linear algebra and its applications. blz. 261-266 (Linear Algebra and its Applications; vol. 289).

Onderzoeksoutput: ChapterAcademicpeer review

Some new results on correlation-preserving factor scores prediction methods

ten Berge, J. M. F., Krijnen, W. P., Wansbeek, T. & Shapiro, A., 1999, In : Linear algebra and its applications. 289, 1-3, blz. 311-318

Onderzoeksoutput: ArticleAcademicpeer review

1998

Conditions for factor (in)determinacy in factor analysis

Krijnen, W. P., Dijkstra, T. K. & Gill, R. D., dec 1998, In : Psychometrika. Vol 67(1). 63, 4, blz. 359-367

Onderzoeksoutput: ArticleAcademicpeer review

1996

Algorithms for unweighted least-squares factor analysis

Krijnen, W. P., feb 1996, In : Computational statistics and data analysis. 21, 2, blz. 133-147

Onderzoeksoutput: ArticleAcademicpeer review

1995