Adding installation instructions

installation-instructions.txt

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+—
+* Installation steps *
+
+Create a (free) account on https://bitbucket.org/.
+
+You should have received an invitation from Bitbucket to a repository entitled ‘psychTestR’. Accept this invitation with your Bitbucket account (let me know if you need me to send an invitation to a different email address.
+
+Open RStudio on your computer.
+
+Install the ‘devtools’ package by running the following command at the R terminal:
+install.packages('devtools')
+
+Install psychTestR:
+devtools::install_bitbucket('pmcharrison/psychTestR', auth_user = 'your_bitbucket_email_address', password = 'your_bitbucket_password')
+
+Install the melody discrimination test:
+devtools::install_github('pmcharrison/mdt')
+You should now have everything installed.
+—
+—
+* Running the test *
+
+Open RStudio.
+
+Load the melody discrimination test:
+library(mdt)
+
+Here are some example commands you can run:
+
+# Run a demo test, with feedback as you progress through the test, and not saving your data
+demo_mdt()
+
+# Run a demo test, skipping the training phase, and only asking 5 questions
+demo_mdt(num_items = 5, take_training = FALSE)
+
+# Run the test as if for a participant, using all default settings, saving data, and with a custom admin password
+standalone_mdt(admin_password = "my-password")
+—