-A finch species has evolved to have two types of beaks, small or large. There are no birds with medium-sized beaks. This mode of natural selection is represented by which letter(s) in the accompanying figure?
Definitions:
Cronbach's Alpha
A measure of internal consistency or reliability of a psychometric instrument, indicating how well the items in a test measure the same underlying concept.
Internal Consistency
A measure of the correlation between multiple items in a test that assess the same construct.
Pre-Tests
Assessments given before a treatment or intervention to establish baseline levels against which changes can be measured.
Post-Tests
Assessments conducted after an intervention, program, or period of instruction to measure its efficacy or the learning outcomes.
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