Nicht-Zufallsstichproben (non-probability samples)
• Gelegenheitsstichprobe (sample of convenience)
• Schneeballstichprobe (snowball sample)
• Fallstudie (case study)
• Quotenstichprobe (quota sample)
Zufallsstichproben (random samples)
• Einfache Zufallsstichprobe (simple random sample)
• Geschichtete Zufallsstichprobe (stratified sample)
• Klumpenstichprobe (cluster sample)
• Mehrstufige Zufallsstichprobe (multistage sample)
Nicht-Zufallsstichproben (non-probability samples)
• Gelegenheitsstichprobe (sample of convenience)
• Schneeballstichprobe (snowball sample)
• Fallstudie (case study)
• Quotenstichprobe (quota sample)
Zufallsstichproben (random samples)
• Einfache Zufallsstichprobe (simple random sample)
• Geschichtete Zufallsstichprobe (stratified sample)
• Klumpenstichprobe (cluster sample)
• Mehrstufige Zufallsstichprobe (multistage sample)
| status | not learned | measured difficulty | 37% [default] | last interval [days] | |||
|---|---|---|---|---|---|---|---|
| repetition number in this series | 0 | memorised on | scheduled repetition | ||||
| scheduled repetition interval | last repetition or drill |