He seems to doze off and then he suddenly laughs at a joke while in the middle of dozing.
The response to each item rates the chance of dozing or sleeping in such situation.
The ESS is a standardized questionnaire which describes eight daily situations in which the respondents estimate their likelihood of dozing off on a scale of 0 to 3, i.e. 0 = no chance of dozing, 1 = slight chance of dozing, 2 = moderate chance of dozing and 3 = high chance of dozing [25].
The NERF Power Clip is ideal for the lightning-fast ambush of dozing employees.
Responses are scored on a 4-point Likert scale (3, high risk of dozing; 0, no risk of dozing).
The range of an item-score was 0 3 on the Likert scale: never doze (score=0), slight chance of dozing (score=1), moderate chance of dozing (score=2) and high chance of dozing (score=3).
All items are rated on a 4-point Likert scale, 0 = would never doze, 1 = slight chance of dozing, 2 = moderate chance of dozing, 3 = high chance of dozing.
The questionnaire consists of 8 items with a respondents format 0 = would never doze, 1 = slight chance of dozing, 2 = moderate chance of dozing, and 3 = high chance of dozing.
Responses were limited to a Likert-like scale using the following: no chance of dozing (0), slight chance of dozing (1), moderate chance of dozing (2), or high chance of dozing (3).
The subject scored his chances of dozing (0= would never doze, 1= slight chance of dozing, 2= moderate chance of dozing, 3= high chance of dozing) in eight ordinary daily situations (watching TV, as a passenger in a car for an hour without a break, sitting and talking to someone, etc).
