Experiments - Definitions and Terms

Front

A testable prediction to support a theory, often written as an if-then statement. Fill in the blank with the correct term.

Back

hypothesis

Front

The precise meaning of a variable, procedure or concept within a study; it has to be measurable/put in numerical terms. Fill in the blank with the correct term.

Back

operational definition

Front

Performance of an experiment or procedure more than once using the same process and controls to determine whether the same results occur. Fill in the blank with the correct term.

Back

replication

Front

A population includes all the elements of data whereas a ______ is a small part of the population that represents the entire population.

Back

sample

Front

Each person's likelihood of being included in the sample is equal, and some arbitrary method is employed to choose who is explicitly picked for a study. Fill in the blank with the correct term.

Back

random sampling

Front

Scientific procedure to make a discovery, test a hypothesis, or demonstrate a known fact.

Back

experiment

Front

An experiment where only the researcher knows which group in the experiment receives the treatment. Fill in the blank with the correct term.

Back

single blind study

Front

An experiment where neither the researcher nor the participants know who is getting the treatment. Fill in the blank with the correct term.

Back

double blind study

Front

An inert or fake treatment that doesn't have any actual effects. Fill in the blank with the correct term.

Back

placebo

Front

When a person's mind believes that the fake treatment is having an effect on them. Fill in the blank with the correct term.

Back

placebo effect