Reliability

Answer the following questions:

The methods of reliability are provided below,
Parallel-forms reliability
Alternate forms reliability
Split-half reliability
How are these methods similar? How are they different? Which do you prefer? Why?

What might be some factors that could inhibit test-retest reliability? For example, could culture of origin lead to variation in test performance in some cases, leading to skewing and a lower level of correlation between group one and group two?

Provide one reference and use APA formatting