TASK DEFINITION: In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
PROBLEM: Question: What kind of validity does the degree of confidence refer to, with which it can be inferred that the cause-effect relationships between the variables of an investigation are interpretable in the sense suggested by the researcher? 
 Options:  <1> Internal validity <2> External validity <3> Discriminant validity <4> Ecological validity <5> Construct validity

SOLUTION: 1

PROBLEM: Question: In an electrogravimetric analysis: 
 Options:  <1> The increase in mass of the electrode indicates the amount of analyte. <2> Current performance must be 100%. <3> A platinum mesh is always used as a working electrode. <4> A reference electrode is always needed. <5> The solution does not need to be conductive.

SOLUTION: 1

PROBLEM: Question: One of the following positions makes the patient more susceptible to developing pressure ulcers due to shearing forces: 
 Options:  <1> Supine decubitus <2> Projection prone. <3> Semiprono decubitus. <4> Fowler. <5> Sims.

SOLUTION:
4