Joe loves to draw, even though he never shows his drawings to anyone else. When it comes to drawing Joe has: Intrinsic Motivation
Internal Locus of Control
Extrinsic Motivation
Fixed Mindset

Which scientific design has both practical limitations and limitations due to scale? studying the effect of bleach on the growth of mold spores exposing cultures of duckweed to different intensities of light observing the replication of dna molecules with a hand lens using colored marbles to model a cross between two colors of rabbits