This sample is also referred to as a random sample or a probability sample. This is one of the basic kinds of random sampling. Formally, simple random sampling is defined
Cluster sampling is a method in which the researcher develops many clusters of people from the population, and each cluster indicates homogeneous characteristics with an equal chance of being selected.
What Is Stratified Random Sampling? Stratified random sampling is a method where the population is separated into smaller subgroups, termed strata, and from each subgroup, a sample is selected. Strata
Criterion validity indicates the extent to which a test is correlated with an already-proven standard known as a criterion. If the results of a measurement instrument meet those of another
Concurrent validity highlights the agreement between the two tools or assessments taken at the same time. Here, the new assessment is compared with the already validated tool. It is a
When we talk about quality research, we talk about the reliability and validity of the research. The research is considered valid when the measurement method measures what it claims to
Validity refers to the extent to which a test or measurement tool accurately measures what it’s intended to measure. For instance, if a test of intelligence measures intelligence, then it
During the process of conducting research and data collection, two important concepts are considered crucial: validity and the other is reliability. These concepts maintain the veracity of the findings of
One of the most common types of quantitative research is descriptive research. Descriptive research design is a type of research methodology that aims to provide a detailed and accurate description
When scientists and researchers observe natural situations, they frequently generate a plethora of hypotheses and speculations. These scientific approaches may appear comparable at first glance, yet they can occur at
