The fact that young children develop rapidly and in "growth spurts" is a problem when it comes to the estimation which type of reliability for an infant development scale?

Question

Quizplus · Accepted Answer

Test-retest reliability is not appropriate for an infant development scale because the rapid growth and development of young children would make it difficult to obtain consistent results when the same test is administered at different times. Internal-consistency reliability (A) is not relevant for an infant development scale because it assumes that all items on the scale are measuring the same construct, and in infant development there are often multiple aspects being evaluated. Alternate-forms reliability (B) is not practical for an infant development scale because it would be difficult to create equivalent forms of the test that accurately measure the same constructs. Interrater reliability (D) could be relevant for some aspects of an infant development scale, but it would not address the issue of growth spurts and rapid development.

The Fact That Young Children Develop Rapidly and in "Growth