Mia and Thalia are very similar to each other in the personality trait of openness, whereas Esther and Hannah are less similar to one another in openness. One explanation is that Mia and Thalia are , whereas Esther and Hannah are .

identical twins ; Fraternal twins

Explanation: The similarity exhibited by Mia and Thalia in terms of opennes, that is being frank, sensitive and welcoming could be explained by the fact that they are identical twins, thus inference is made because IDENTICAL twins are usually monozygotic, that is they both form from the fertilization of a single egg and therefore share all of their genes. Esther and Hannah on the other hand could be inferred to be FRATERNAL twins as they both are formed from the fertilization of separate eggs and therefore do not share the same gene.

answerviolation of expectancy paradigma;