The use of items and item parcels in nonlinear structural equation models
| Autor: | Rodrigo Asún Inostroza, Karina Rdz Navarro |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
item parcels
quadratic effects lcsh:BF1-990 05 social sciences 050401 social sciences methods General Social Sciences interaction effects 01 natural sciences Structural equation modeling latent moderated structural equations 010104 statistics & probability lcsh:Psychology 0504 sociology nonlinear SEM Mathematics education Christian ministry 0101 mathematics National commission General Psychology |
| Zdroj: | Methodology, Vol 16, Iss 1, Pp 1-20 (2020) |
| DOI: | 10.23668/psycharchives.6286 |
| Popis: | Nonlinear structural equation models within the frequentist framework were developed to work with continuous items. Applied researchers who usually work with Likert-type items choose between two strategies to estimate such models: treat items as continuous variables or create item parcels. Two Monte Carlo studies were conducted to evaluate the effects of each strategy on estimates and Type I errors for models with interaction and quadratic effects estimated using LMS. The first study evaluated the effect of asymmetry type and item quantity. The second assessed the use of item parcels and parcel configuration under equivalent conditions. Results reveal that treating items as continuous variables is not problematic when item categories are symmetrical or have opposite-direction asymmetries; however, meaningful parameter bias and increased Type I errors are produced in the case of same-direction asymmetry. Use of parcels does not overcome these problems. The results are discussed to provide recommendations for applied researchers. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|