ARM final exam 2023 completely solved!!

ARM final exam 2023 completely solved!! Which of the following are assumptions of survey research *Respondents are willing to give the required information to researchers *Respondents have the information the researcher requires . A group of students take an Advanced Research Methods test just before the end of semester and one when they return to school at the beginning of the next semester. The scores on both tests are examined for a correlation. This is an example of measuring Test-retest reliability If you want to ensure that different age groups are included in your probability sample in the proportions in which they occur in the population, you would need to use: Stratified sampling The multiple dichotomy method of coding is used with: Closed questions where more than one response option may be selected . Which of the following statements is/are true? Commonality is the proportion of variance in a variable explained by the extracted factors Which of the following is an example of a parametric test? *analysis of variance * one-sample t-test * Pearson correlation The interpretation of a 2 × 2 chi-square test for independence is like what other type of statistical test? d. two-independent sample t-test A researcher reports the following equation for a best-fitting straight line to a set of data points: . Which value is the y-intercept? 3.24 A researcher has participants complete a survey regarding their level of restraint when eating. Participants were assigned to groups based on their current health status (lean, overweight, obese) and gender (male, female). What type of factorial design is most appropriate for this study? a between-subjects factorial design The normality assumption states that the population of X and Y scores form a bivariate ("two variable") normal distribution, such that a. the population of X and Y scores are normally distributed b. for each X score, the distribution of Y scores is normally distributed c. for each Y score, the distribution of X scores is normally distributed What is the problem with the following data for computing a correlation? Factor 1 Factor 2 3 3 3 3