BLOCK

1. The abrupt and involuntary flow of speech or thought where a person is suddenly aware thatthey are not performing a certain mental act. Also called mental block. See retrieval block. 2. A percieved barrier that can't be crossed. 3. A physical, biological aor psychological barrier that obstructs or impedes a function or action. 4. In experimental block design, it is the levels or subsets where samples are divided. 5. The subdivide participants into groups. 6. To impede or obstruct.

BLOCK: "The mental block meant that Joe couldn't think of the word he wanted to use."
Cite this page: N., Pam M.S., "BLOCK," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/block-2/ (accessed July 22, 2019).
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