Concepedia

Spearman-brown Coefficient

The Spearman-Brown Coefficient is a reliability coefficient in psychometrics that estimates the effect of test length on internal consistency by distinguishing between the reliability of a test in its current form and its predicted reliability under altered length, based on the correlation between two split halves of the test.

194

Publications

54.8K

Citations

617

Authors

284

Institutions

Publications per year

2017–2026

56

Variants

Spearman-brown FormulaSpearman-brown Prophecy Formula

Parents

Publications

194

Coefficient Alpha and the Internal Structure of Tests

Lee J. Cronbach · Psychometrika · 1951 · 43.2K citations · Full text

, , +14

The reliability of a two-item scale: Pearson, Cronbach, or Spearman-Brown?

Rob Eisinga, Manfred te Grotenhuis, Ben Pelzer · International Journal of Public Health · 2012 · 2.6K citations · Full text

, , +12

How many days of monitoring predict physical activity and sedentary behaviour in older adults?

Teresa L. Hart, Ann M. Swartz, Susan E. Cashin et al. · International Journal of Behavioral Nutrition and Physical Activity · 2011 · 485 citations · Full text

, , +13

The Iranian version of International Physical Activity Questionnaire (IPAQ) in Iran: Content and construct validity, factor structure, internal consistency and stability

Mhb Moghaddam, FB Aghdam, MA Jafarabadi et al. · 2012 · 471 citations

, , +16

Quality Control Methods in Accelerometer Data Processing: Defining Minimum Wear Time

Carly Rich, Marco Geraci, Lucy Griffiths et al. · PLoS ONE · 2013 · 294 citations · Full text

, , +16

1–5 of 194

Authors

617

  1. DL
    David Lester

    Stockton University, United States

    6 publications · 116 citations

    6

    h-index

  2. RA
    Richard A. Charter

    Long Beach Medical Center, United States

    5 publications · 131 citations

    5

    h-index

  3. MD
    Mahboubeh Dadfar

    Iran University of Medical Sciences, Iran

    5 publications · 87 citations

    5

    h-index

  4. LS
    Leonard S. Feldt

    University of Iowa, United States

    4 publications · 116 citations

    4

    h-index

  5. HH
    H. H. Remmers

    Purdue University West Lafayette, United States

    3 publications · 79 citations

    3

    h-index

1–5 of 617

Institutions

284

  1. University of Iowa

    Iowa City, United States

    5 h-index

    8 publications

    516 citations

  2. Stockton University

    Galloway, United States

    4 h-index

    4 publications

    91 citations

  3. University of South Carolina

    Columbia, United States

    4 h-index

    16 publications

    1.5K citations

  4. Iran University of Medical Sciences

    Tehran, Iran

    4 h-index

    7 publications

    150 citations

  5. KU Leuven

    Leuven, Belgium

    4 h-index

    9 publications

    349 citations

  6. VA Long Beach Healthcare System

    Long Beach, United States

    4 h-index

    4 publications

    121 citations

  7. Maastricht University

    Maastricht, The Netherlands

    3 h-index

    13 publications

    464 citations

  8. Hacettepe University

    Ankara, Türkiye

    3 h-index

    13 publications

    328 citations

1–8 of 284

Venues

  1. Journal of Educational Psychology

    7 publications · 183 citations

    7

    h-index

  2. PLoS ONE

    7 publications · 709 citations

    7

    h-index

  3. Educational and Psychological Measurement

    7 publications · 308 citations

    7

    h-index

  4. PubMed

    Repository · 6 publications · 110 citations

    6

    h-index

  5. Psychological Methods

    5 publications · 325 citations

    5

    h-index

1–5