Question

After reading the methods section from the abstract, determine what type of study design was used write down a strength and limitation of the study_design Possible answers include case control study, cohort study, ecological study, cross sectional study, and experimental study. 24) METHODS/DESIGN: This is a phase 2 dose escalation study of lisdexamfetamine for the treatment of methamphetamine dependence. Twenty individuals seeking treatment for methamphetamine dependence will be recruited at two Australian drug and alcohol services. All participants will undergo a si regime of 100 to 250 mg lisdexamfetamine, dispensed daily on site, over an 8-week period. Participants will be offered counselling as standard care. For the primary objectives, the outcome variables will be adverse events monitoring, drug tolerability and regimen completion ngle-blinded ascending-descending dose Type of Study: Strengths: Limitation:

Answer 1

23, type of study: experimental study

Strength: Twenty individual undergo a single blinded ascending,descending dose regimen of 100 to 250mg lisdexamfetamine for 8weeks .

Limitation: lisdexamfetamine for the treatment of methamphetamine dependence..

24, Type of study: cross sectional study

Strength: participants completed a sleep symptom severity checklist, the Pitts burgh sleep quality Intex(PSQI), and the Elworth sleepiness scale (ESS)

Limitation: A wrist worn actigraph GT9X link was provided during initial evaluation ( within 72hours post-injury for concussed) and worn continuously until symptom resolution..