1) Crudely 2) Impulsively 3) Inexpertly 4) Ingenuously 5) Naively 1) Crudely 2) In an ingenuous manner 3) In an unsophisticated manner 4) Inexpertly 
• (adv.) In an artless manner; without art, skill, or guile; unaffectedly.
Art'less·ly adverb In an artless manner; without art, skill, or guile; unaffectedly. Pope. 
[adv] - in a crude and unskilled manner 2. [adv] - in an ingenuous manner
artlessly 1. In a crude and unskilled manner. 2. Lacking tact or taste; blunt or offensive.
adverb in a crude and unskilled manner; `an inexpertly constructed lean-to`ingenuously adverb in an ingenuous manner; `she answered the judge`s questions artlessly`