Which technique would psychologists use to assess whether a cluster of characteristics that includes ambition

Factor analysis

Explanation:

Factor Analysis is the methodology used by psychologists for the assessment of the cluster of characteristic for a particular trait like ambition, etc.

Factor analysis is used for the reduction or grouping of a large number of variable factors into fewer number.

This methodology is used for the extraction of maximum common variance out of all the variable factors and group them into a common cluster which can be used as an index for all the variable factors for future analysis.

answer: fact: italy has over 300 islands ranging from extremely small uninhabited islands to the huge island of sicily.

explanation:

opinion: italy has way to many islands

it´s related to his charming character.

beauty is not everything, although we can joke that girls only care about the physical or material aspect, the truth is that a real woman looks at more important things, besides intelligence and personality, there are other attitudes that make irresistible to men who are 'unattractive'.

for example develop your sense of humor.