Strength + Counterpoint 4

The biological approach uses…

Scientific methods

Biological variables can often be operationalised and _______________ using experimental methods and techniques such as ___________, genetic methods, and physiological methods.

Objectively measured

Brain imaging

For example, PET scans highlight areas of brain activity. This can reduce reliance on…

Subjective and emotional judgement

The approach generates hypotheses that can be tested.

Standardised procedures and objective ________________ can support ___________________.

For example, brain imaging techniques

Statistical analysis

Reliability and replication

However, finding a _____________ does not automatically show that it causes a behaviour with no control of extraneous variables

Researchers must consider alternative explanations and _____________

Biological correlation

Study design

Laboratory measures are also very __________ and may not fully represent behaviour in everyday life, lacking mundane realism and ______________

Artificial

Ecological validity