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I think that 80 children is too small. The different results could as been biased that there were different classes, so different (possibly) skill levels of the
by eracle 11y ago
I think that 80 children is too small. The different results could as been biased that there were different classes, so different (possibly) skill levels of the students.
- eracle 11y agoI think that 80 children is too small. The different results could been biased by the fact that there were different classes, so different (possibly) skill levels of the students.
- erac1e 11y agoI think that 80 children is too small. The different results could been biased by the fact that there were different classes, so different (possibly) skill levels of the students.
- eracl3 11y agoI think that 80 children is too small. The different results could been biased by the fact that there were different classes, so different (possibly) skill levels of the students.
- er4cle 11y agoI think that 80 children is too small. The different results could been biased by the fact that there were different classes, so different (possibly) skill levels of the students.
- Volt 11y agoWhat sample size would satisfy you?
- tremon 11y agoFor extrapolating the results to the entire Earth population? Let's see, that would require a cross-generational study across a number of different societies, across different schools and classrooms, from different socio-economic situations, and with an equal number of control groups. So we're looking at a minimum of 4 (test moments across 25 years) * 4 (societies) * 5 (schools across socio-economic areas) * 2 (classes per school) * 2 (test + control group) * 30 (pupils per class) =~ 10000 test subjects.
- moultano 11y agoReplication.
- zardgiv 11y agoHow long have you been saving up this one-word response? Because the parent was addressing a complaint about small sample size, and basic reading comprehension would show you that your response was off-topic and did not logically follow.