In the method part of the education statistics survey report, the sample selection and data collection methods of the survey will be explained in detail. It will also specify how to determine the proportion of more than 50% for the investigation of children who move with them. Specific instructions may include the following:

1. Sample selection: The investigation report will explain how to select the sample of the children who move with them. Usually, a certain number of students are randomly selected from different schools or regions as samples.

2. Data collection: The investigation report will describe the specific process of data collection, which may include methods such as questionnaire survey, interview and observation. For the data collection of floating children, we can obtain their relevant information through questionnaires and other means.

3. Data analysis: The survey report will explain how to count and analyze the collected data. When calculating the proportion of children who move with them, we can calculate the proportion of the sample of children who move with them and compare it with the total sample. If it exceeds 50%, we will come to the corresponding conclusion.

In a word, in the method part of the Report on Education Statistics, the verification methods for more than 50% of the children who move with them will be explained in detail, including sample selection, data collection and data analysis. These instructions can help readers understand the investigation process and verify the relevant conclusions.