A design that describes what will be when certain variables are carefully controlled or manipulated.

It is administered prior to a specific treatment or intervention.

A test administered after a specific treatment or intervention.

It is a study that provide simple information about the frequency or amount of something.

It investigate relationships among two or more variables.

It uses design characteristics from both qualitative and quantitative approaches in a single studies or series of studies.

Selection of individuals from a sample of a population that enables you to draw conclusions about the population as a whole.

The larger the sample, the less the potential error is that the sample will be different from the population.

The major criteria of a good instrument or test are the following , except

A statistical tool that describes, summarizes, and characterizes a sample being studied.

A statistical tool that draws questions about the population that an observed difference between groups is a dependable one or just happened due to chance.

Research instrument is a tool to be used in gathering data.

It is a written document containing prompts or questions that are used to obtain an individual's perceptions or beliefs.

A good research instrument must be short, simple, and clear.