Effect of leadership development program on organizational performance Dissertation

Effect of leadership outgrowth program on organizational performance - Dissertation Examplestatistical null hypotheses 15 exam the null hypothesis 15 P-values 16 Significance levels 17 One-tailed vs. two-tailed probabilities 17 Reporting your results 18 impudence interval 20 p=0.891 represents the probability of occurring the event. ... nsistency refers to inter-item reliability, and assesses the degree of consistency among the items in a scale, or the antithetic observations used to derive a score Want to be sure that all the items (or observations) are touchstone the same occasion Estimates of Internal Consistency Item-total score consistency Split-half reliability randomly divide items into 2 subsets and examine the consistency in total scores across the 2 subsets (any drawbacks?) Cronbachs Alpha conceptually, it is the mediocre consistency across all possible split-half reliabilities Cronbachs Alpha can be directly computed from info Estimating the Validity of a Measure A good rhythm must non only be reliable, just now also well-grounded A valid measure measures what it is intended to measure Validity is not a property of a measure, but an indication of the extent to which an assessment measures a particular construct in a particular contextthus a measure may be valid for one purpose but not another A measure cannot be valid unless it is reliable, but a reliable measure may not be valid Estimating Validity Like reliability, stiffness is not absolute Validity is the degree to which variability (individual differences) in participants scores on a particular measure, reflect individual differences in the characteristic or construct we want to measure Three types of measurement validity governance Validity Construct Validity Criterion Validity Face Validity Face validity refers to the extent to which a measure appears to measure what it is supposed to measure non statisticalinvolves the judgment of the researcher (and the participants) A measure has face validityif people think it does upright because a measure has face validity does not ensure that it is a valid measure (and measures wanting