An assessment of the value of quantitative and qualitative data collection techniques.
Blinkhorn
A S
AS
Leathar
D S
DS
Kay
E J
EJ
D003625:Data Collection / Q000379:methods*; D015438:Health Behavior; D006801:Humans; D007407:Interviews as Topic; D012107:Research Design; D011795:Surveys and Questionnaires