Thurstone  and therefore also to the Thurstone scale.
The sample comprised Portuguese university students that were assessed with the AMS adapted for online data collection. Journal of Statistical Software, 20 9 The Academic Motivation Scale: A measure of intrinsic, extrinsic, and amotivation in education.
Motivation: A Literature Review.
Intrinsically-motivated students find academic activities enjoyable, interesting and challenging, while extrinsically-motivated students are more driven by the consequences or outcomes of academic activities rather than by study itself.
Supporting Agencies. Model Extensions Rating Scale model e. Item precision will increase with increased instrument administration, while person estimates will improve with the addition of appropriate items to the instrument.
Invariant comparison and sufficiency[ edit ] The Rasch model for dichotomous data is often regarded as an item response theory IRT model with one item parameter. This part of the process of scaling is often referred to as item calibration.
In most contexts, the parameters of the model characterize the proficiency of the respondents and the difficulty of the items as locations on a continuous latent variable. Model Fit The degree of discrepancy between observed item performance and expected item performance can be quantified using goodness-of-fit statistics.
The size of each object provides an inverse representation of its error smaller objects have less error.
Rasch analysis of a students' motivation questionnaire Csikszentmihalyi, revised by Choe, provides an answer.