A researcher investigated the effectiveness of different learning techniques for memorising foreign vocabulary.
In Condition A, 15 participants were instructed to learn 10 Spanish words using rote repetition. In Condition B, 15 different participants were instructed to use imagery-based flashcards to learn the same 10 Spanish words.
The results are displayed in Table 1 below.
Table 1 Number of participants who correctly recalled all 10 Spanish words after 24 hours
| Condition A (Rote Repetition) | Condition B (Imagery Flashcards) |
|---|---|
| 8 | 13 |
After collecting the results, the researcher asked all 30 participants to write a brief description of the exact mental strategies they used during the recall task.
What is reliability? Explain how the researcher could decide whether the results in Table 1 are reliable.
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