The items taken from the home and from the hospital will be placed in sealed container, that will be dropped off in a location that will be guarded by law enforcement, "The challenges are real," said Tom Frieden, director of the CDC, on Friday.
The randomisation numbers will be placed in sealed, opaque, numbered envelopes and kept in a box locked in a filing cabinet.
Pre-prepared cards indicating group assignment will be placed in sealed opaque envelopes and drawn as a lottery by a third party for allocation to treatment groups.
Numbers corresponding to treatment group (1 or 2) will be placed in sealed opaque envelopes with the sequential order number written on each envelope to ensure participants are allocated according to the predetermined sequence.
Where randomization occurs in person, assignments will be placed in sealed opaque envelopes and delivered to subjects by the recruitment officer with subjects designated to 6 months of cognitive training, progressive resistance training, combined cognitive and progressive resistance training, or stretching and video-quiz control group in a 1 1 1 1 ratio.
The process will be coordinated centrally by a Chief Investigator independently of GP recruitment, intervention implementation, or data collection processes, and who will conceal the initial allocation process from project officers (e.g., allocation numbers will be placed in sealed, serially coded envelopes, and housed in a locked cabinet).
These numbers were placed in sealed envelopes along with the examination sheets.
Allocation sequence was placed in sealed envelopes.
Assignments of hands after randomization were placed in sealed envelopes.
Gloves were used to pick up the cigarette packs which were placed in sealed, labelled bags.
Group assignments were placed in sealed envelopes and revealed after participants had signed informed consent.
