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The definition of success in a given cloze test varies, depending on the broader goals behind the exercise. Assessment may depend on whether the exercise is objective (i.e. students are given a list of words to use in a cloze) or subjective (i.e. students are to fill in a cloze with words that would make a given sentence grammatically correct).
A Gap penalty is a method of scoring alignments of two or more sequences. When aligning sequences, introducing gaps in the sequences can allow an alignment algorithm to match more terms than a gap-less alignment can. However, minimizing gaps in an alignment is important to create a useful alignment.
Part 6 has a text with some missing words (gaps). For each gap there is a choice of three possible answers. Children decide which answer is correct and copy the word into the gap. Part 6 tests reading and understanding a factual text, simple grammar and copying words. Part 7 has a text from a letter or diary. There are five gaps in the text.
Determine the substitution matrix and the gap penalty scheme. A substitution matrix assigns each pair of bases or amino acids a score for match or mismatch. Usually matches get positive scores, whereas mismatches get relatively lower scores. A gap penalty function determines the score cost for opening or extending gaps.
The match-to-sample task has been shown to be an effective tool to understand the impact of sleep deprivation on short-term memory. One research study [9] compared performance on a traditional sequential test battery with that on a synthetic work task requiring subjects to work concurrently on several tasks, testing subjects every three hours during 64 hrs of sleep deprivation.
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The letters may match, mismatch, or be matched to a gap (a deletion or insertion ): Match: The two letters at the current index are the same. Mismatch: The two letters at the current index are different. Indel (Insertion or Deletion): The best alignment involves one letter aligning to a gap in the other string.
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