Human Biology Test 1

Pregunta	Respuesta
Chapter 1: science enquiry	Scientific method:
Quantitative Data	numbers- measurement
Qualitative Data	words- observation
Features of graphs	1. Title 2. Lable x and y 3. Arrows at end of axes
Evidence	Data which is judged to be relevant.
Secondary evidence	Data collected by someone else.
Variables	Any factor that may change during an experiment.
Independent variable	X- Changed or controlled to test effects on dependent variable (y)
Dependent variable	y- Tested and measured
Controlled variables	Variables being kept the same for both the control and the experimental groups in an experiment.
Replication	Having a identical number of experiments running together or performing the experiment on a large number of subjects at the same time.
Validity vs. Reliability	Validity: - reliable and relevant - must be no uncontrolled variables Reliability: - same results each time - equipment constant - Improve: repetition and replication tests this
Errors and reducing them	Any deviation from teh result that should have been obtained. Reduce: repetition

Resumen del Recurso

	Creado por Mikaela Staples hace casi 7 años