JACKKNIFE By Nugent, Pam M.S. - May 11, 2013 a procedure of taking repeated subsamples from a data source. This procedure empowers the estimating of standard errors and confidence intervals. JACKKNIFE: "Jackknife is an estimation procedure based on taking repeated sub-samples." Related Psychology Terms ASSUMPTION LEAST SIGNIFICANT DIFFERENCE (LSD) PSYCHOPHYSICAL METHODS SIMULTANEOUS CONFIDENCE INTERVALS SCALE BOX-COX TRANSFORMATION BLIND-MATCHING TECHNIQUE TIME SAMPLING MULLER-URBAN METHOD VOCABULARY GROWTH Cite this page: Nugent, Pam M.S., "JACKKNIFE," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/jackknife/ (accessed June 25, 2017).