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Front

What is a double-blind experiment?

Back

A double-blind experiment is a study design in which neither the participants nor the researchers know who is receiving a particular treatment. This helps to eliminate bias in the results.

Front

What does 'true' mean in logical terms?

Back

In logical terms, 'true' refers to a statement or proposition that accurately reflects reality or is in accordance with facts.

Front

What is the purpose of a control group in an experiment?

Back

The control group serves as a baseline to compare the effects of the experimental treatment, helping to isolate the effect of the treatment.

Front

Define hypothesis.

Back

A hypothesis is a testable prediction about the relationship between two or more variables.

Front

What is the scientific method?

Back

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Front

Explain the difference between qualitative and quantitative data.

Back

Qualitative data is descriptive and conceptual, while quantitative data is numerical and can be measured.

Front

What is a variable in an experiment?

Back

A variable is any factor, trait, or condition that can exist in differing amounts or types in an experiment.

Front

Define independent variable.

Back

The independent variable is the factor that is manipulated or changed in an experiment to test its effects on the dependent variable.

Front

Define dependent variable.

Back

The dependent variable is the factor that is measured or observed in an experiment, which is affected by changes in the independent variable.

Front

What is a sample in research?

Back

A sample is a subset of a population selected for observation and analysis.