Dealignment is the decrease in party loyalty, while realignment signifies lasting shifts in coalition loyalties as a major change in party power occurs.
Dealignment refers to a decline in party loyalty when voters base decisions on short-term factors. Conversely, a realign-ment is a lasting shift in coalition loyalties causing a change in the balance of power between major parties, typically triggered by critical elections. Persistent partisan identification involves a long-term attachment to a particular party.
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