To fill in the rest, there's information on how many days a month get above or below a given temperature. To find out how often it rises over 70, 80 or 90 Â°F each month in Philadelphia, scroll down farther. There are also monthly and yearly counts of days with cold weather.he temperature at Philadelphia climbs into the 90s Fahrenheit for 24 days a year on average, scattered throughout late spring and summer. About once every two or three years, the thermometer here reaches 100 Â°F (38 Â°C).
Survey Research. Survey research is a commonly used method of collecting information about a population of interest. There are many different types of surveys, several ways to administer them, and many methods of sampling.There are two key features of survey research: 1  Questionnaires -- a predefined series of questions used to collect information from individuals.onsiderations for Designing a Questionnaire. 1  It is important to consider the order in which questions are presented. 2  Sensitive questions, such as questions about income, drug use, or sexual activity, should be put at the end of the survey.
An interview is a specific type of survey. Surveys are used to ask  people specific questions about a large number of topics and then  use the data gathered to come to concl â¦ usions or find patterns.