please help me with the following 3! will rate! class is marketing research

If a restaurant customer satisfaction questionnaire did not have a question concerning the quality of the food being served, we'd say the questionnaire lacked validity. criterion O predictive common content construct Researchers evaluate two characteristics of a measurement scale to determine if it is a good one. If you are looking for a measurement scale for your study, you will want to select one that has: low reliability and high validity high reliability and low validity high reliability and high validity low reliability and high consistency high reliability and high consistency In the social sciences such as Marketing and Sociology, statistics (e.g., t-test, ANOVA, regression, etc.) is more prevalently used to analyze data than is used in the physical sciences (e.g., Physics and Engineering) which rely more on mathematical techniques such as calculus and algebra. This is because: The social sciences is more interested in the accurate interpretation of data for decision-making Less accurate research results are required in the social sciences than in the physical sciences Statistics is less difficult to use than calculus and algebra The measures used in the physical sciences are less concrete than the social sciences Social science research is typically concerned about the "trends" of large groups of people which requires the use of statistical analysis