Reliability: the consistency of results

Repeatability: how often similar results can be obtained when a experiment is conducted in the same conditions

Reproducibility: How close the results are when the investigation is replicated under changed conditions.

Validity:

Internal Validity: The accuracy of the impact of IV on DV

• experimental design

External Validity:

• can results be generated on a population

Coming to conclusion:

• must be consistent with results obtained

• must be relevant to what is investigated

• state if hypothesis was supported or not

• state how influential extraneous or confounding variables may impact DV/results

• potential limitations

• quality of evidence

• if it can be generalised

• Limitations

  → Consider reliability or validity of data, identify limitations and describe and explain degree of impact. Suggestion for further research

Generalisation:

• how well results can be applied to a population from which sample was drawn

• determined by sample : size, sampling type

• extraneous & confounding variables

Opinion: Personal point of view and is susceptible to change

Anecdote : verbal report to event

1.15 Learning activity 5

Workbook 1.23

Workbook 1.24

1.15 Learning activity 6