Author Question: The problem in observational research that resembles the threat to validity called instrumentation ... (Read 17 times)

WWatsford · **on:** Jun 20, 2018

The problem in observational research that resembles the threat to validity called instrumentation in experimental research is

a. observer bias.
b. subject reactivity.
c. observer drift.
d. ethological bias.

Question 2

Sometimes in a repeated measures design, an early treatment will not have affect later performance initially, but after a while, the early treatment does affect performance. This would be a case of

a. asymmetric transfer.
b. a baseline effect.
c. latency effect.
d. history effect.