# Mixed ANOVA Analysis for Domain Means - EOHI2 # EOHI Experiment Data Analysis - Domain Level Analysis with INTERVAL factor # Variables: NPast_5_pref_MEAN, NPast_5_pers_MEAN, NPast_5_val_MEAN, etc. # NFut_5_pref_MEAN, NFut_5_pers_MEAN, NFut_5_val_MEAN, etc. # NPast_10_pref_MEAN, NPast_10_pers_MEAN, NPast_10_val_MEAN, etc. # NFut_10_pref_MEAN, NFut_10_pers_MEAN, NFut_10_val_MEAN, etc. # 5.10past_pref_MEAN, 5.10past_pers_MEAN, 5.10past_val_MEAN # 5.10fut_pref_MEAN, 5.10fut_pers_MEAN, 5.10fut_val_MEAN # Load required libraries library(tidyverse) library(ez) library(car) library(afex) # For aov_ez (cleaner ANOVA output) library(nortest) # For normality tests library(emmeans) # For post-hoc comparisons library(purrr) # For map functions library(effsize) # For Cohen's d calculations library(effectsize) # For effect size calculations # Global options to remove scientific notation options(scipen = 999) # Set contrasts to sum for mixed ANOVA (necessary for proper interpretation) options(contrasts = c("contr.sum", "contr.poly")) setwd("C:/Users/irina/Documents/DND/EOHI/eohi2") # Read the data data <- read.csv("eohi2.csv") # Display basic information about the dataset print(paste("Dataset dimensions:", paste(dim(data), collapse = " x"))) print(paste("Number of participants:", length(unique(data$ResponseId)))) # Verify the specific variables we need required_vars <- c("NPast_5_pref_MEAN", "NPast_5_pers_MEAN", "NPast_5_val_MEAN", "NPast_10_pref_MEAN", "NPast_10_pers_MEAN", "NPast_10_val_MEAN", "NFut_5_pref_MEAN", "NFut_5_pers_MEAN", "NFut_5_val_MEAN", "NFut_10_pref_MEAN", "NFut_10_pers_MEAN", "NFut_10_val_MEAN", "5.10past_pref_MEAN", "5.10past_pers_MEAN", "5.10past_val_MEAN", "5.10fut_pref_MEAN", "5.10fut_pers_MEAN", "5.10fut_val_MEAN") missing_vars <- required_vars[!required_vars %in% colnames(data)] if (length(missing_vars) > 0) { print(paste("Warning: Missing variables:", paste(missing_vars, collapse = ", "))) } else { print("All required domain mean variables found!") } # Define domain mapping with TIME, DOMAIN, and INTERVAL factors domain_mapping <- data.frame( variable = required_vars, time = c(rep("Past", 3), rep("Past", 3), rep("Future", 3), rep("Future", 3), rep("Past", 3), rep("Future", 3)), domain = rep(c("Preferences", "Personality", "Values"), 6), interval = c(rep("5", 3), rep("10", 3), rep("5", 3), rep("10", 3), rep("5_10", 3), rep("5_10", 3)), stringsAsFactors = FALSE ) print("Domain mapping created:") print(domain_mapping) # Efficient data pivoting using pivot_longer long_data <- data %>% select(ResponseId, TEMPORAL_DO, INTERVAL_DO, all_of(required_vars)) %>% pivot_longer( cols = all_of(required_vars), names_to = "variable", values_to = "MEAN_DIFFERENCE" ) %>% left_join(domain_mapping, by = "variable") %>% # Convert to factors with proper levels mutate( TIME = factor(time, levels = c("Past", "Future")), DOMAIN = factor(domain, levels = c("Preferences", "Personality", "Values")), INTERVAL = factor(interval, levels = c("5", "10", "5_10")), ResponseId = as.factor(ResponseId), TEMPORAL_DO = as.factor(TEMPORAL_DO), INTERVAL_DO = as.factor(INTERVAL_DO) ) %>% # Select final columns and remove any rows with missing values select(ResponseId, TEMPORAL_DO, INTERVAL_DO, TIME, DOMAIN, INTERVAL, MEAN_DIFFERENCE) %>% filter(!is.na(MEAN_DIFFERENCE)) print(paste("Long data dimensions:", paste(dim(long_data), collapse = " x"))) print(paste("Number of participants:", length(unique(long_data$ResponseId)))) # ============================================================================= # DESCRIPTIVE STATISTICS # ============================================================================= # Overall descriptive statistics by TIME, DOMAIN, and INTERVAL desc_stats <- long_data %>% group_by(TIME, DOMAIN, INTERVAL) %>% summarise( n = n(), mean = round(mean(MEAN_DIFFERENCE, na.rm = TRUE), 5), variance = round(var(MEAN_DIFFERENCE, na.rm = TRUE), 5), sd = round(sd(MEAN_DIFFERENCE, na.rm = TRUE), 5), median = round(median(MEAN_DIFFERENCE, na.rm = TRUE), 5), q1 = round(quantile(MEAN_DIFFERENCE, 0.25, na.rm = TRUE), 5), q3 = round(quantile(MEAN_DIFFERENCE, 0.75, na.rm = TRUE), 5), min = round(min(MEAN_DIFFERENCE, na.rm = TRUE), 5), max = round(max(MEAN_DIFFERENCE, na.rm = TRUE), 5), .groups = 'drop' ) print("Descriptive statistics by TIME, DOMAIN, and INTERVAL:") print(desc_stats) # Descriptive statistics by between-subjects factors desc_stats_by_between <- long_data %>% group_by(TEMPORAL_DO, INTERVAL_DO, TIME, DOMAIN, INTERVAL) %>% summarise( n = n(), mean = round(mean(MEAN_DIFFERENCE, na.rm = TRUE), 5), variance = round(var(MEAN_DIFFERENCE, na.rm = TRUE), 5), sd = round(sd(MEAN_DIFFERENCE, na.rm = TRUE), 5), .groups = 'drop' ) print("Descriptive statistics by between-subjects factors:") print(desc_stats_by_between) # Summary by between-subjects factors only desc_stats_between_only <- long_data %>% group_by(TEMPORAL_DO, INTERVAL_DO) %>% summarise( n = n(), mean = round(mean(MEAN_DIFFERENCE, na.rm = TRUE), 5), variance = round(var(MEAN_DIFFERENCE, na.rm = TRUE), 5), sd = round(sd(MEAN_DIFFERENCE, na.rm = TRUE), 5), .groups = 'drop' ) print("Descriptive statistics by between-subjects factors only:") print(desc_stats_between_only)