One of the major differences between experimental research and research from other levels of constraint is
A) that causality is not possible to establish through experimentation.
B) that establishing causality is the major goal in experimentation.
C) that experimental research does not need to use a high degree of control.
D) that experimental research is more credible than low-constraint research.
Question 2
At the correlational level, the hypothesis is concerned with
A) causality.
B) confounding relationships among variables.
C) relationships among variables that might be used to make predictions.
D) theories of prediction.
Synapomorphies at different levels
Internal view of the heart illustrating the heart chambers, heart layers, and major blood vessels as
Four levels of protein hierarchy
Millikan Oil-Drop Experiment – Experimental Set-Up
Six Levels of Intellectual Skills
Possible Sources of Differences in Output per Worker