Richard M. Ryckman

Richard M. Ryckman publication distribution in Psychology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Psychology in 2026. The highlighted bar marks where Richard M. Ryckman sits on this spectrum.

Richard M. Ryckman D-index placement in Psychology in 2026

The chart shows the D-index (discipline H-index) distribution of Psychology scientists ranked by Research.com in 2026. The highlighted bar marks where Richard M. Ryckman sits on this spectrum.

Best Publications

• Social support in diabetes: a systematic review of controlled intervention studies

  Henk A. van Dam;Frans G. van der Horst;Lut Knoops;Richard M. Ryckman

  606
  Citations

• Development and validation of a physical self-efficacy scale.

  Richard M. Ryckman;Michael A. Robbins;Billy Thornton;Peggy Cantrell

  538
  Citations

• Development and validation of a physical self-efficacy scale.

  Unknown

  286
  Citations

• Physical and psychosocial correlates of head and neck cancer: a review of the literature.

  M. F. De Boer;L. K. Mccormick;J. F. A. Pruyn;R. M. Ryckman

  274
  Citations

• Construction of a Hypercompetitive Attitude Scale

  Richard M. Ryckman;Max Hammer;Linda M. Kaczor;Joel A. Gold

  240
  Citations

• Construction of a Personal Development Competitive Attitude Scale

  Richard M. Ryckman;Max Hammer;Linda M. Kaczor;Joel A. Gold

  239
  Citations

• Theories of Personality

  Richard M. Ryckman

  202
  Citations

• Personality Correlates of the Hypercompetitive Attitude Scale: Validity Tests of Horney's Theory of Neurosis

  R M Ryckman;B Thornton;J C Butler

  202
  Citations

• Rehabilitation outcomes of long‐term survivors treated for head and neck cancer

  M. F. De Boer;J. F. A. Pruyn;B. Van Den Borne;P. P. Knegt

  189
  Citations

• Values of hypercompetitive and personal development competitive individuals.

  R M Ryckman;C R Libby;B van den Borne;J A Gold

  166
  Citations

• Psychosocial aspects of head and neck cancer–a review of the literature

  J. F. A. Pruyn;P. C. de Jong;L. J. Bosman;J. W. M. J. van Poppel

  160
  Citations

• Value priorities in American and British female and male university students

  Richard M. Ryckman;Diane M. Houston

  152
  Citations

• Psychosocial and physical correlates of survival and recurrence in patients with head and neck carcinoma: results of a 6-year longitudinal study.

  Maarten F. De Boer;Bart Van den Borne;Jean F. A. Pruyn;Richard M. Ryckman

  115
  Citations

• Construction of a Hypercompetitive Attitude Scale

  Unknown

  110
  Citations

• Relationship between self-esteem and internal-external control for men and women.

  Richard M. Ryckman;Martin F. Sherman

  104
  Citations

• Psychosocial correlates of cancer relapse and survival: a literature review

  M.F De Boer;R.M Ryckman;J.F.A Pruyn;H.W Van den Borne

  103
  Citations

• Forms of Competitive Attitude and Achievement Orientation in Relation to Disordered Eating

  Michelle A. Burckle;Richard M. Ryckman;Joel A. Gold;Bill Thornton

  91
  Citations

• The Influence of a Rape Victim's Physical Attractiveness on Observers' Attributions of Responsibility

  Bill Thornton;Richard M. Ryckman

  83
  Citations

• Male and Female Raters' Stereotyping of Male and Female Physiques

  Richard M. Ryckman;Michael A. Robbins;Linda M. Kaczor;Joel A. Gold

  83
  Citations

• Relationship between Locus of Control and Chronological Age

  Richard M. Ryckman;Maria X. Malikiosi

  77
  Citations