Title: Describe the terms "reliable" and "valid" with regard to the principles of ... Post by: Sitki on Jan 3, 2018 Describe the terms "reliable" and "valid" with regard to the principles of position advertising copytesting (PACT).
Title: Re: Describe the terms "reliable" and "valid" with regard to the principles ... Post by: bukharifaran on Jan 3, 2018 Content hidden
Title: Re: Describe the terms "reliable" and "valid" with regard to the principles of ... Post by: Sitki on May 21, 2018 Yup, correct :)
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