A standard contains a known amount of a substance. If u are performing an experiment you will use a sample with a known concentration to create a standard curve (a straight line). Positive and negative controls are measured against the standard curve to show the expected results if the sample u will be testing is positive or negative.
Answer:
content-analysis research.
Explanation:
Content-analysis research -
It refers to as the research method involved in order to find the presence or absence of some specific words , sentences , concepts on a given qualitative data , is referred to as the content - analysis research .
The method is used for studying various documents in the form of text , pictures , audio or video .
Hence , from the given scenario of the question ,
The correct answer is content analysis research .
Answer:
Selective attention
Explanation:
Cognitive functioning may be defined as the the human's ability to processing the thoughts and these thoughts should not deplete in the healthy individuals. Cognitive functioning has valuable aspects.
The important aspect of cognitive functioning is selective attention. Selective attention is the ability to ignore the irrelevant and and pay attention on relevant information only.
Thus, the answer is selective attention.