Diminutives of words that are themselves diminutives are used, for example baadjietjie (little jacket). Such constructions do not appear in Dutch. Afrikaans has almost identical usage and grammar for diminutive words as Dutch, the language Afrikaans was derived from (detailed above).
II. Validity. 1  Definition of validity. 2  validity refers to the degree to which a measurement method or instrument actually measures the concept in question. 3  so, the measuring instrument must (1)actually measure the concept and not some other concept and (2) measure it accurately.
Reliability and validity are two desirable qualities of any measurement procedure or instrument. There is no such thing as perfect reliability or validity. Even measures that we think of as accurate will always have some source of error.