APA Write-Up for Within-Groups Simple Contrasts

Description

Generates an APA-style paragraph for repeated measures ANOVA with simple (planned) contrasts comparing conditions to a reference.

Usage

apa_wg_simple_contrasts_writeup(
  wg_contrast_results_list,
  dv_name,
  iv_name,
  condition_labels,
  reference_condition,
  hypothesis = NULL,
  alpha = 0.05
)

Arguments

wg_contrast_results_list

Output from within-groups ANOVA with contrasts containing:

ANOVA
List with F, p_value, df_effect, df_error, mse
Descriptives
Data frame with condition_label, mean, sd
Contrasts
Optional. List of contrast results if computed separately
dv_name Character. Descriptive name for DV.
iv_name Character. Descriptive name for IV (conditions).
condition_labels Character vector. Labels for conditions.
reference_condition Character. Label of reference condition.
hypothesis

List with hypothesis details:

direction
Expected direction: "reference_higher" or "reference_lower"
rh_text
Optional. Full RH statement.
alpha Significance level. Default 0.05.

Value

A character string with APA write-up.

Examples

library("psych350lab")

writeup <- apa_wg_simple_contrasts_writeup(
  results,
  dv_name = "judges' ratings of importance",
  iv_name = "criterion type",
  condition_labels = c("relevance", "assist_trier", "qualifications"),
  reference_condition = "assist_trier",
  hypothesis = list(
    direction = "reference_higher",
    rh_text = paste0("assisting the trier of fact will be ",
      "more important than relevance and qualifications")
  )
)