Q fever: acute bacterial illness contracted from animals; symptoms resemble the flu with abrupt onset of high fever, weakness, severe headache, muscle pain, loss of appetite, dry cough, chills, nausea, vomiting and diarrhoea. gorączka Q

Q1: cf. lower quartile.

Q3: cf. upper quartile.

QA: cf. quality assessment/assurance.

QALY: cf. quality-adjusted life year.

QC: cf. quality control.

QI: cf. quality improvement.

QM: cf. quality management.

QoL: cf. quality of life.

QRM: cf. quality and resource management.

Qualitative data: data that describe the range of response and variation between responses but do not record frequency of response; cannot be used with tests of statistical significance; cf. quantitative data. dane jakościowe

Qualitative research: a multimethod tradition in social science that depends on watching people in their own territory and interacting with them in their own language, on their own terms, involving an interpretative, naturalistic approach to its subject matter, using qualitative techniques of data collection such as: participant observation, interviews (semi-structured, structured, in-depth), focus groups, text/discourse analysis, conversation/video analysis. badania jakościowe

Qualitative risk assessment: process of risk assessment that uses qualitative methods. Possibilities include: a. qualitative characterizations where health risks are identified but not quantified, e.g. hazard evaluations and carcinogen classification schemes; b. qualitative risk estimations where chemicals are ranked or classified by broad categories of risk, e.g. chemical potency classification schemes; c. semi-quantitative approaches where effects levels, e.g. “no observable effects” are used in combination with uncertainty factors to establish “safe” exposure levels.