The use of sophisticated statistical methods.

Recruiting the required number of participants according to the defined inclusion criteria within the planned timeframe.

A well-defined title for the main study.

The researchers’ experience of participating in the study.

Efficient use of the study budget.

критерий субсидиарности

эффект масштаба

критерий территориальной дифференциации

все перечисленное верно

To validate the research hypothesis using rigorous statistical methods for data analysis.

To conduct a theoretical analysis based solely on a literature review without a preliminary study.

To test the full study protocol on a small sample and identify areas for improvement.

To assess funding availability and precisely calculate the sample size for the main study.

To evaluate only the ethical procedures and participant safety during the study.

It allows respondents to express their opinions by selecting only positive answers.

It provides predefined response options without a graded scale.

It allows respondents to choose between two options: "Yes" or "No."

It defines entirely subjective response options.

It rates responses on a scale from "strongly agree" to "strongly disagree."

the stroma will contain demilunes of Gianuzzi,

the parenchyma will be fibrous

the stroma will contain exclusively mucous

tubules, the parenchyma will be fibrous

the parenchyma will contain exclusively serous

acini, the stroma will be fibrous

the parenchyma will contain demilunes of

Gianuzzi, the stroma will be fibrous

hearing impairment due to a damage in the sensory brain cortex

recurrent respiratory infection

peptic ulcer

malapsoprtion of nutrients in the small intestine

actin microfilaments

connexins of the gap junctions

proteins of the desmosomes (maculae adhaerentes)

hemidesmosomes