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1. Sample size
Describe how sample size was determined.
£¨Describe the statistical methods that were used to predetermined sample size or if no sample-size calculation was performed, describe how sample sizes were chosen and provide a rational for why these sample sizes are sufficient£©

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2Â¥2017-08-25 10:52:13
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Yes, there are. But we do not know about your experiments. But if you did not use statistical analysis to know sample size BEFORE conducting the experiments, then you cannot do it A POSTERIORI. What you can do is to explain you decision about the sample size: that is , why?
3Â¥2017-08-25 11:02:33
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holypower

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Clytze9(liouzhan654´ú·¢): ½ð±Ò+1, ¸Ðл½»Á÷ 2017-08-25 13:36:57
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4Â¥2017-08-25 12:37:37
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Clytze9

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4Â¥: Originally posted by holypower at 2017-08-25 12:37:37
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5Â¥2017-08-25 13:51:52
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Clytze9

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3Â¥: Originally posted by ipublish_SCI at 2017-08-25 11:02:33
Yes, there are. But we do not know about your experiments. But if you did not use statistical analysis to know sample size BEFORE conducting the experiments, then you cannot do it A POSTERIORI. What  ...

So you mean we need to do the pre-experiment to know the sample sizes before conduting the formal experiment? But how ? Do you have any sofware to calculate the sample sizes or do you have any good literatures about the statistical analysis?
6Â¥2017-08-25 13:55:55
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Clytze9

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ÒýÓûØÌû:
4Â¥: Originally posted by holypower at 2017-08-25 12:37:37
¸ù¾Ý80%ͳ¼Æ¼ìÑéÁ¦£¬0.05ÏÔÖøË®Æ½£¬ÒÔ¼°¹À¼ÆµÄЧӦÁ¿£¨±ÈÈçÖеÈ0.25£©£¬¾Í¿ÉÒÔËã³öÖÁÉÙ¶àÉÙÑù±¾Á¿¡£ÄãËÑË÷G*POWER³ÌÐò°É£¡ÊäÈë²ÎÊý×Ô¶¯¼ÆËã

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7Â¥2017-08-25 14:37:32
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ipublish_SCI

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6Â¥: Originally posted by Clytze9 at 2017-08-25 13:55:55
So you mean we need to do the pre-experiment to know the sample sizes before conduting the formal experiment? But how ? Do you have any sofware to calculate the sample sizes or do you have any good  ...

I do not know what your experiments are about. I do not know if they refer to dimensions of samples or if this is an animal or biomedical study and you needed to know how many animals you will need to use. So yes, you may need to calculate statistical power. I again should tell you that if you use now g*power (after you conducted the experiment) to find out that your sample size should have been, then it's a little bit of a problem. If you need further comments on this you can contact me here by message in the forum. Hope this comment helps for you. Best regards
8Â¥2017-08-25 23:14:53
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