Adobe Flash is one of the most popular languages for animated web content, and recently social and behavioral scientists have started taking advantage of the program for online data collection. This book is a unique, step-by-step guide to using Adobe Flash to develop experiments and other research tools. Each chapter presents a set of techniques, followed by practice examples. No previous knowledge of programming is required to learn all the necessary skills for programming your own online survey or experiment.

Condition Assignment and Randomization

Condition assignment and randomization

In this Chapter, you will Learn

  • How to assign conditions by experimenter input or random selection
  • How to generate a random number in a specified range
  • How to use random numbers to randomize stimuli
  • How to sample randomly from an array, with or without replacement
  • How to randomize an entire array using a for loop

1. Manual Condition Assignment versus Randomization

In psychology experiments, and in most surveys, participants ...

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