What study design/methods were used to collect the data? What is the sample size and characteristics? Were the inclusion/exclusion criteria clear?

Explain the topic is in the maid

What study design/methods were used to collect the data?
What is the sample size and characteristics? Were the inclusion/exclusion criteria clear?
Was ethics approval gained prior to the study?
What data collection method(s) were used and are they appropriate?
Does the study use a particular research methodology? Is this appropriate for the study?
Do the authors identify any study limitations?