one limitation of Schaffer's stage of attachments (multiple attachment) (PEEL)
P - however there is a problem with how multiple attachment is assessed
E - the problem with observing babies at only a few weeks as they are immobile, lack coordination and don't display distinct behaviour
E - bowlby pointed out that children may be distresses even when a playmate leaves the room, but this does not signify an attachment
L - Schaffer and Emerson' view of stages do not distinguish between towards secondary attachment figures and playmates