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.
Certain topics are more suited for survey research than others. Surveys are mainly used in social research that has individual people as the unit of analysis. These individual people are also called respondents or a person who provides data for analysis by responding to s survey questionnaire.